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Single Blade C4 MB001 for Freediving and Spearfishing
The single C4 MB001 blade is specifically designed for freediving and spearfishing, delivering a precise balance of stiffness and flexibility to optimize thrust transmission during the fin stroke.
Available in three stiffness levels, it allows you to select the ideal elasticity based on the diver’s style and personal characteristics, improving comfort and blade responsiveness underwater.
Single Blade C4 MB001 CAMOSKIN MED
The single blade C4 MB001 CAMOSKIN MED is available in two different stiffnesses, allowing a personalized choice based on spearfishing or freediving needs. Made with specific materials to ensure an optimal balance between
responsiveness and thrust transfer, this blade delivers an efficient, fluid kick.
The CAMOSKIN surface promotes better hydrodynamic control, reducing drag during the thrust phase and improving fluidity in underwater movement.
Single Blade C4 MB001 CAMOSKIN OCEAN
The C4 MB001 CAMOSKIN OCEAN single blade is specifically designed for spearfishing and freediving, offering a balance of lightness and mechanical strength.
Available in two different stiffnesses, this blade lets you adapt the responsiveness of the blade and power transmission according to individual needs and water conditions.
C4 MB002 Single Blade for Freediving and Spearfishing
The C4 MB002 single blade is designed specifically for freediving and spearfishing, delivering highly effective thrust transmission. Made with durable materials, it ensures long-lasting performance and mechanical strength even with frequent dives.
Thanks to its design, engineered to optimize fluid movement, the blade improves responsiveness and efficiency during finning, minimizing muscle fatigue. Advanced hydrodynamics provide smoother, more controlled thrust during descent and ascent phases.
The C4 MB002 blade combines lightness and strength, essential features for ensuring comfort and precision in underwater movements without compromising the power needed for freediving dives.
Minimal HD Blade - H Dessault
The Minimal HD blade by H Dessault combines compact dimensions with T300 carbon, offering an ideal technical solution for those starting to use carbon fins for freediving and spearfishing.
Technical Features
- Material: fine twill-weave T300 carbon, providing an excellent balance between lightness and mechanical strength
- Blade dimensions: 780 x 190 mm, optimized for effective thrust transmission
- Blade Stiffness: single stiffness (30 - Medium), for balanced responsiveness and efficient kicking
- Water rails: Elastic-K10 black, for improved hydrodynamics and water-flow stability
- Weight: 650 grams, ensuring comfort and ease of use even during extended sessions
Applications and Benefits
The Minimal HD blades are designed to offer a simple, lightweight, and effective product, especially suited to anyone looking for a first step into carbon fins. Ideal for freediving and spearfishing sessions, they ensure good power transmission and a solid balance between comfort and control.
Pershing HD Fins in T300 Carbon Fiber
The Pershing HD blade is designed specifically for spearfishing and freediving, combining lightness, mechanical strength, and easy handling. Made entirely from T300 carbon fiber, it ensures efficient power transfer and a smooth, responsive fin stroke, even during prolonged use.
Technical Features and Materials
- Material: 100% high-strength T300 carbon fiber
- Blade dimensions: 800x190 mm, optimized for a balance of power and agility
- Blade Stiffness available in two versions: 25 (soft) and 30 (medium)
- Constant-section water rails to improve hydrodynamic stability during the fin stroke
- Fin weight: 650 g, with balance engineered to reduce fatigue
- Compatible with C4 250 and HD 350 foot pockets
Innovation and User Comfort
The main distinctive feature of the Pershing HD is the O.P.S system developed by C4 Technology, which allows direct overmolding of thermorubber onto the carbon without the use of adhesives. This patented process provides robust protection for the blade tip, shielding it from impacts and improving the quietness of the fin stroke by reducing noise in the water — a key factor in spearfishing to avoid spooking marine life.
The blade configuration and choice of materials ensure excellent responsiveness during sudden changes of direction, making these fins ideal wherever agility and impact resistance are essential.
Applications
The Pershing HD blades are designed for freedivers and spearfishers who need reliable equipment with a strong balance between lightness and durability. The rubber tip protection and advanced construction system ensure long-lasting performance and comfort during extended sessions at sea.
Single Blade S-990 CAMU
The single blade S-990 CAMU is designed for spearfishing and freediving, with a strong focus on responsiveness and smoothness during the fin stroke. This model is available in the Soft - 25 stiffness version, ideal for those looking for a balance between elasticity and power transfer in the water.
The blade is made with selected materials to ensure good hydrodynamic efficiency and a low weight, making it easy to handle and suitable for extended use during freediving sessions.
Single Blade S-990 FIRESTONE for spearfishing and freediving
The single Blade S-990 FIRESTONE is specifically designed for freediving and spearfishing, available in three stiffness levels to offer customized solutions based on thrust and comfort needs during finning.
Made with selected materials, this blade combines light weight and mechanical strength, ensuring optimal thrust transmission and efficient hydrodynamic performance in the water.
The choice between different stiffness levels allows you to achieve the ideal balance between flexibility and efficiency, improving fluidity of movement and reducing fatigue during freedives. The blade’s advanced design ensures powerful thrust and immediate responsiveness, key elements for precise, controlled maneuvering in spearfishing.
T300 Carbon Tank HD Blade for Spearfishing
The Tank HD blade is specifically designed for spearfishing, combining lightness, strength, and maneuverability in a highly technical product. Made from 100% T300 carbon fiber, it integrates the new O.P.S system developed by C4 Technology, which allows the thermorubber to be directly overmolded onto the carbon surface, with no need for adhesives. This innovative process provides long-lasting protection and greater mechanical resistance at the tip of the Blade.
The rubber protection on the tip of the Blade is designed for use when spearfishing in whitewater, shallow water, or ambush hunting, significantly reducing the noise generated by the fin stroke and improving fluidity of movement in the water.
Technical Features
- Material: T300 carbon fiber
- Blade size: 700 x 190 mm
- Blade Stiffness: 30 medium, balanced for efficient thrust and control
- Water rails: continuous, to optimize stability and directional control
- Overall weight: 700 grams, ensuring excellent lightness
- Foot Pocket compatible: H Dessault model 350, also compatible with C4 250 foot pocket
Performance and Applications
The fins are designed to deliver an agile, responsive fin stroke, with compact dimensions that make quick direction changes easier, as required in spearfishing. Impact resistance, provided by the overmolded rubber protection, ensures durability even when used in shallow water or among rocks during ambush hunting.
The combination of T300 carbon and the O.P.S system contributes to an excellent stiffness-to-flexibility ratio, optimizing thrust transfer and reducing fatigue during spearfishing sessions.
Single Blade Umberto Pelizzari
The single blade Umberto Pelizzari is specifically designed for freediving and spearfishing, ensuring efficient power transfer and a smooth fin stroke. Available in two different stiffness levels, it lets you choose the ideal rigidity based on your needs for comfort and responsiveness in the water.
Single Blade Umberto Pelizzari - Ghost
The Ghost single blade, by Umberto Pelizzari, is designed specifically for freediving and spearfishing. Available in Medium - 30 stiffness, it provides an optimal balance between flexibility and rigidity for an efficient, responsive fin stroke.
This blade delivers balanced thrust transmission, ensuring smooth movement that reduces fatigue during extended dives. The design is engineered to maximize hydrodynamics, improving control and precision during underwater propulsion.
X-Wing Blade - Mares
The Mares X-Wing blade is a high-level technical solution for freedivers looking for the perfect balance of agility, power, and control in the water. Made from high-quality elastomer, this blade is designed to deliver a smooth, stable, and high-performance fin stroke, adapting to the needs of those practicing freediving and spearfishing at every level.
Tapered Design and Variable Thickness
The tapered profile of the blade helps reduce water resistance during the fin stroke, promoting more agile and efficient movement. The variable thickness is one of the key elements of this design: it optimizes flex along the full length of the blade, delivering high propulsive performance without sacrificing maneuverability. The result is a blade that responds precisely and naturally to every leg kick.
V-Shaped Tip for Greater Stability
The distinctive V-shaped tip is specifically designed to ensure a more stable and directional fin stroke. This geometry reduces lateral water slippage, improving propulsive efficiency and movement precision—essential in hunting situations or during deep freedives.
Technical Features
- Material: high-quality elastomer
- Blade length: 713 mm
- Blade width: 190 mm
- Thickness: variable along the entire blade
- Tip: V-shaped design to prevent lateral slippage
- Flexibility: 30% softer than the Razor Pro model
X-Wing Pro Blade - Mares
The X-Wing Pro Blade is designed for freedivers seeking the perfect balance of agility, power, and control. Made from high-quality elastomer, this tapered blade delivers a smooth, efficient kick, perfectly adapting to the needs of those practicing high-level freediving and spearfishing.
Design and Technology
The tapered profile of the blade is not just aesthetic: it is the result of a precise technical choice. The variable thickness allows flex to be optimally distributed along the entire blade, ensuring high finning performance without sacrificing maneuverability or effective length.
Technical Features
- Material: high-quality elastomer, durable and high-performance
- Tapered profile with variable thickness for maximum hydrodynamic efficiency
- V-tip for a more stable kick and to eliminate lateral water slippage
- Large load-bearing surface for powerful thrust with every fin stroke
Dimensional Specifications
- Blade width: 19.0 cm
- Blade length: 71.3 cm (713 mm)
Why Choose the X-Wing Pro
The X-Wing Pro elastomer blade is the ideal choice for those who want a responsive, stable, high-performance fin. The V-tip reduces lateral water dispersion, translating every movement into direct, precise thrust. Ideal for freediving and spearfishing sessions where agility and control make the difference.
Pathos Pro Maximum Blades
The Pro Maximum Blades by Pathos are made with pure 285-T4 and 285-T2 carbon fiber, subjected to a 36-hour heat-treatment process and polymerized under 8 tons of pressure for 24 hours. This method ensures a completely smooth, drag-free surface, making the blades durable and delivering optimal reactive response.
Structure and Materials
- The outer weave is made of 285-T4 4X4 carbon, which eliminates wrinkles, cracks, and distortion while promoting complete resin absorption.
- The inner weave uses 285-T2 2X2 carbon, with a weave pattern designed to optimize power transfer and elastic rebound along the entire blade.
Design and Functionality
The blades feature a C-Curve profile achieved through the design of the internal fibers, providing maximum flexibility and instant blade return. They are equipped with consistent water rails to guide water displacement, while the flap-shaped edge increases power in the final phase of the fin stroke, improving efficiency and reducing the freediver’s effort.
Technical Specifications
- Dimensions: 750 x 190 millimeters
- Blade angle: 24º
- Available stiffnesses: Soft, Medium, Hard
Compatibility
The Pro Maximum Blades are recommended for use with Pathos Fireblade foot pockets, specifically designed to optimize comfort and power transmission during finning.
Blades Pathos Carbon Pro Ultimate
The Pro Ultimate are blades made entirely from carbon fiber, designed to provide high mechanical strength and perfect reactivity during finning in freediving and spearfishing.
Construction and Materials
The blade features a double carbon weave with specific characteristics:
- Outer layer in 285-T4 4x4 weave, which fully absorbs the protective resin, increasing breakage resistance.
- Inner layer in 285-T2 2x2 twill weave, which increases the reactivity of the blade, improving thrust transmission during finning.
Design and Hydrodynamic Efficiency
- Glossy blade surface with low, consistent water rails to reduce drag in the water and optimize fluidity.
- The tip with a convex flap increases power in the final phase of the fin stroke, reducing leg load and helping conserve energy underwater.
- 28º blade angle designed for an ideal balance between power and control in underwater movement.
Stiffness Variants
Available in three stiffness levels to adapt to different elasticity and thrust requirements during spearfishing:
- Soft
- Medium
- Hard
Blades Dive-R Innegra Carbon
The Blades Dive-R Innegra Carbon are made with innovative Spread Tow technology using Innegra fiber, a composite material that combines carbon fibers and Innegra to give the fin greater flex deformation than traditional carbon blades.
This high-tech fiber is designed to absorb impacts and deformation to a greater extent than other materials, while also providing water-repellent properties that are essential in the underwater environment. The blades are available in two stiffnesses: Soft and Medium, allowing you to choose the rigidity best suited to your spearfishing or freediving style.
Materials and construction
- Blend of resins and aerospace-grade fabrics specifically combined to maximize responsiveness and lightness
- Special fiber composition: premium carbon, high-performance fiberglass, carbon and copper combinations, carbon and Kevlar, and carbon with Innegra
- Optimized thrust transmission and reduced muscle effort during finning
Compatibility and recommended assembly
To take full advantage of the blades’ responsiveness and precision, installation on lightweight foot pockets with short rails is recommended, such as Foot Pockets C4 or Mares X-Wing. Alternatively, the Foot Pockets Imersion are also suitable, as their high flexibility follows the movement of the blades without limiting hydrodynamic efficiency.
A professional blade-to-foot-pocket assembly service is available through the following Blades / Foot Pockets assembly link.
Performance and reliability
The Dive-R blade design, developed and tested for over 15 years in collaboration with freediving and spearfishing professionals, ensures consistent power transfer with no loss of effectiveness over time. The combination of high-performance materials provides smooth finning and efficient thrust transmission, reducing fatigue and improving underwater control.
Compared to other similar products, Dive-R blades maintain their stiffness and responsiveness after extended use, with no weakening or decline in mechanical performance. Available in multiple color and design variants, they combine functionality and customization for an optimal underwater experience.
Additional information
Note: Dive-R blades can be mounted on any type of foot pocket upon request.
Dive-R Innegra Carbon Blades
The Dive-R Innegra Carbon blades are made with advanced Spread Tow technology, incorporating Innegra fibers together with carbon to create a composite capable of greater deformation than traditional carbon blades. This high-tech material provides excellent impact resistance and natural water repellency, improving durability in the water.
Available in two stiffness options, Soft and Medium, they are designed to adapt to different freediving and spearfishing styles, optimizing thrust transmission and reducing muscle fatigue.
Recommended pairing with foot pockets
- Lightweight foot pockets with short side rails, such as C4 Foot Pockets and the Mares X-Wing, to fully take advantage of the blades’ responsiveness and efficiency.
- Foot pockets with long side rails, such as Imersion Foot Pockets, featuring excellent softness to follow the movement without compromising energy transfer.
A blade/foot pocket assembly service is available for professional fin assembly.
Materials and construction technology
DiveR blades are developed with a combination of high-quality resins and aerospace-grade fabrics, including a mix of special fibers such as fiberglass, carbon, copper, Kevlar, and Innegra. This makes it possible to achieve:
- High responsiveness and thrust transmission thanks to a calibrated elastic response
- Reduced muscle effort even during extended breath-hold sessions
- Optimal mechanical strength maintained over time with no loss of power
- Water repellency to maintain stable performance in the water
Testing and reliability
DiveR has tested this design with freediving and spearfishing professionals and enthusiasts for over 15 years, confirming the product’s technical superiority. Despite numerous imitations, no competitor has replicated the consistency of the original performance, which remains stable even after years of continuous use.
Customization and availability
DiveR blades are offered in multiple stiffness options and in a wide range of colors and designs, customizable to meet the specific needs of freedivers and spearfishers.
Assembly of DiveR blades on any type of foot pocket is available upon request.
Dive-R Innegra Red Blades: Cutting-Edge Technology and Materials
The Dive-R Innegra Red blades are made with an advanced blend of carbon fiber and Innegra fiber, using Spread Tow technology developed by the industry-leading company. This combination provides greater deformation capacity than traditional carbon blades, ensuring powerful, smooth thrust transmission.
Innegra fiber is designed to effectively absorb impacts and deformation, offering exceptional mechanical strength and water repellency. These features give the blades excellent durability in the water and optimal efficiency during finning.
Variants and Compatibility
- Available in Soft and Medium stiffnesses to suit different freediving and spearfishing styles.
- Recommended for mounting on lightweight foot pockets such as C4 Foot Pockets or Mares X-Wing with short rails, to fully take advantage of the blades’ responsiveness.
- Alternatively, the Imersion Foot Pockets provide excellent elasticity and comfort, following the movement without limiting efficiency.
For convenience, a blade and foot pocket assembly service is available and can be easily added to the cart.
Tested Design and Innovative Materials
DiveR developed this blade design in collaboration with freedivers and spearfishers, carrying out testing over more than 15 years. The result is a product recognized for its balance of power, smoothness, and reduced muscular effort.
The blades combine special resins and high-quality aerospace fabrics, including:
- Special fiberglass
- Premium carbon fibers
- Technical blends such as carbon and copper, carbon and Kevlar, and carbon with Innegra fiber
These materials ensure high responsiveness during finning, transmitting energy efficiently and reducing muscle fatigue even for those getting into freediving or spearfishing.
Durability and Consistent Performance
The Dive-R blades maintain their mechanical and thrust characteristics over time, with no loss of power after extended periods of use. This consistency is a crucial advantage in spearfishing and freediving, where equipment reliability is essential.
Customization and Mounting Options
The blades are available in different colors and designs, offering a wide range of aesthetic choices. Custom mounting is also available on any type of foot pocket with different profiles, made on request for a small surcharge. For more details, contact technical support.
To get the most out of the technical features of the DiveR Blades, we particularly recommend using them with the C4 400 Foot Pockets, featuring short rails and a lightweight design, ideal for maximizing thrust transmission efficiency.
Dive-R Innegra Red Blades - Short: advanced structure and materials for freediving and spearfishing
The Dive-R Innegra Red Blades - Short are made with cutting-edge Innegra fiber technology, an innovative blend of carbon fiber and Innegra. This composition allows the blades to achieve greater controlled deformation than traditional carbon fins, increasing mechanical strength and impact absorption without compromising thrust transmission in the water. Innegra fiber, naturally water-repellent, improves durability and reliability during dives.
Composite materials and proven design
The blades are built with an expert mix of specific resins and aerospace-grade fabrics, including special fiberglass, premium carbon, copper, kevlar, and Innegra. These materials give the blades:
- High responsiveness and efficient fin-stroke power transfer
- Minimized muscular effort thanks to mechanical optimization
- Consistent performance over time without degradation
Optimized for different freediving and spearfishing styles
Available in different stiffness options (Soft and Medium), the Dive-R blades adapt to various diving styles and personal preferences. Choosing the right foot pocket is essential to fully exploit the dynamic characteristics of these blades. We recommend mounting them on lightweight foot pockets with short rails, such as C4 Foot Pockets or Mares X-Wing, which ensure freedom of movement and smooth power transfer. Alternatively, the particularly soft Imersion Foot Pockets effectively follow the flex of the blades without limiting efficiency.
Additional services and customization
A professional blade-mounting service is available for any foot pocket through the dedicated assembly option, ensuring an optimal technical and ergonomic fit. Custom rails can be installed on request to further tailor the hydrodynamic behavior of the blades according to the specific needs of the freediver or spearfisher.
Dive-R Innegra Red-R Blades
The Dive-R Innegra Red-R blades are made with sophisticated Spread Tow technology, using Innegra fiber combined with high-quality carbon fibers. This innovative blend allows greater deformation than traditional carbon blades, ensuring superior absorption of impacts and mechanical stress, with exclusive water-repellent characteristics.
Available in two stiffness levels, Soft and Medium, these blades provide an efficient response adapted to different freediving and spearfishing styles, offering an optimal balance between elasticity and stiffness for smooth, responsive thrust transmission.
Materials and Technology
- Blend of special resins applied with high-level artisanal techniques
- Aerospace-grade fabrics composed of special fiberglass, premium carbon, carbon-copper, carbon-kevlar, and carbon-Innegra fibers
- Water-repellent structure with high mechanical resistance to ensure durability and consistent performance
This combination of materials reduces effort during finning, increasing efficiency and fluidity of movement underwater—essential characteristics for freedivers and spearfishers.
Assembly Recommendations
To fully take advantage of the capabilities of DiveR blades, we recommend mounting them on lightweight, low-profile foot pockets that do not limit freedom of movement and blade responsiveness, such as:
- C4 Foot Pockets
- Mares X-Wing with short side rails
- Imersion Foot Pockets, thanks to their softness, which effectively follows the flex of the blade
A blade/foot pocket assembly service is available for professional, optimal mounting.
Experience and Performance
The design of DiveR blades, developed and tested for over 15 years together with freediving and spearfishing professionals, is recognized for maintaining consistent performance over time, with no loss of power even after extended use. This product stands out for its ability to improve finning efficiency and significantly reduce muscle fatigue.
Variants and Customization
The blades are available in multiple colors and designs, offering customized solutions for different aesthetic and functional needs. Upon request, DiveR blades can be mounted on any type of foot pocket, always ensuring an optimal technical pairing.
Dive-R Innegra V2 Blades for Freediving and Spearfishing
The Dive-R Innegra V2 Blades are made with advanced Spread Tow technology, integrating carbon and Innegra fibers, a high-performance, water-repellent material. This blend allows greater deformation than traditional carbon fins, offering improved impact absorption and superior durability, ideal for freediving and spearfishing use.
The blades are available in two stiffness options, Soft and Medium, to suit different diving styles and ensure effective thrust transfer during the kick cycle.
Materials and Construction
- Premium carbon fibers combined with innovative materials such as Innegra fibers, Kevlar and copper
- Aerospace-grade resins expertly applied for a strong, lightweight structure
- Special fabrics with high capacity to absorb saturation and mechanical loads
These technical features ensure a blade with a shape and structure that remain stable over time, without losing power even after long periods of use, ensuring smoothness and efficiency in the water.
Mounting Recommendations
To take full advantage of the technical characteristics of the Dive-R Innegra V2 Blades, mounting them on lightweight foot pockets with short side rails is recommended, such as:
- C4 Foot Pockets
- Mares X-Wing
Alternatively, for those using long side rails, Imersion Foot Pockets are recommended, thanks to their softness, which follows the movement of the blade without limiting its efficiency.
Assembly Service
A dedicated Blade / Foot Pocket Assembly service is available for professional, optimized mounting.
Performance and Durability
DiveR, supported by testing with freediving and spearfishing professionals, has developed these blades to ensure reduced muscle effort and greater efficiency in thrust transfer. The combination of materials and design increases mechanical performance without sacrificing comfort and mechanical strength, key elements for freediving.
DiveR Blades are recognized on the market for their reliability, long-term durability, and variety of designs and colors, making them a distinctive, highly specialized product for freediving and spearfishing enthusiasts.
Custom mounting: on request, DiveR Blades can be mounted on any foot pocket model.
Cetma Lotus Plastic Blades
The Cetma Lotus blades are designed for freediving, spearfishing, and pool training, offering an ideal balance of durability, responsiveness, and versatility. Made from a fiber-reinforced polymer composite, the blades provide elastic rebound similar to fiber blades, ensuring effective, smooth thrust throughout the fin stroke.
Technical Features
- Blades made from reinforced polymer composite for greater mechanical resistance to impacts and wear
- Excellent elastic rebound similar to fiber blades for efficient thrust transmission
- Blade dimensions: 650 x 185 mm
Applications
Lotus fins are suitable for freediving, spearfishing, and pool training sessions, thanks to their ability to combine durability and smooth finning even under intensive use conditions.
Cetma Mantra Blades - Carbon
The Mantra blades are the flagship model from Cetma Composites, specifically designed for freedivers and spearfishers who demand high-level technical equipment. Made entirely from 100% pre-preg carbon, the blades are built using an exclusive hot-melt impregnation technology with tetra-functional resin, applied under high pressure, high temperature, and vacuum conditions. This process ensures a defect-free blade, with a consistent fiber/resin ratio across the entire surface.
Design and Technical Features
The engineered distribution of stiffness and mass in the blade allows its natural frequency to be tuned to the finning frequency range, leveraging resonance to optimize thrust transmission and responsiveness. This advanced design improves the smoothness and efficiency of the kick during freediving and spearfishing.
Constant-section water rails with a height of 10 mm, designed to improve hydrodynamic tracking and stability in the water.
Available Variants
- Stiffness options: 20 super soft, 25 soft, 30 medium, allowing a calibrated choice based on kick style and required stiffness level.
- Blade dimensions: 742 x 195 mm, sized to provide an effective balance between thrust and maneuverability.
- Available graphics: gold, white, magenta.
Cetma Mantra Blades - Carbon
The Mantra blades are the flagship model from Cetma Composites, specifically designed for freedivers and spearfishers who demand high-level technical equipment. Made entirely from 100% Pre-preg carbon, the blades are manufactured using an exclusive hot-melt impregnation technology with tetra-functional resin, applied under high pressure, high temperature, and vacuum conditions. This process ensures a defect-free blade with a consistent fiber/resin ratio across the entire surface.
Design and Technical Features
The engineered distribution of stiffness and mass in the blade allows its natural frequency to be tuned to the finning frequency range, leveraging resonance to optimize thrust transmission and responsiveness. This advanced design improves the smoothness and efficiency of the fin stroke during freediving and spearfishing.
Constant-section water rails with a height of 10 mm, designed to improve hydrodynamic grip and stability in the water.
Available Variants
- Stiffnesses: 20 super soft, 25 soft, 30 medium, allowing a calibrated choice based on finning style and the required stiffness level.
- Blade dimensions: 742 x 195 mm, sized to ensure an effective balance between thrust and maneuverability.
- Available graphics: gold, white, magenta.
Cetma Mantra Blades - Carbon
The Mantra blades are the flagship model from Cetma Composites, specifically designed for freedivers and spearfishers who demand high-level technical equipment. Made entirely from 100% Pre-preg carbon, the blades are built using an exclusive hot-melt impregnation technology with tetra-functional resin, applied under high pressure, high temperature, and vacuum conditions. This process ensures a defect-free blade, with a consistent fiber/resin ratio across the entire surface.
Design and Technical Features
The engineered distribution of stiffness and mass in the blade allows its natural frequency to be tuned to the finning frequency range, leveraging resonance to optimize thrust transfer and responsiveness. This advanced design improves the fluidity and efficiency of the fin stroke during freediving and spearfishing.
Constant-section water rails with a height of 10 mm, designed to improve hydrodynamic grip and stability in the water.
Available Variants
- Stiffnesses: 20 super soft, 25 soft, 30 medium, allowing a calibrated choice based on finning style and the required stiffness level.
- Blade dimensions: 742 x 195 mm, sized to ensure an effective balance between thrust and maneuverability.
- Available graphics: gold, white, magenta.
Prana Blades - Cetma Composites
The Prana Blades are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.
Materials and Construction
The blades are made of 75% carbon and 25% S-Glass, a high-strength fiberglass derived from the aerospace industry. Production involves an exclusive high-pressure, high-temperature vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber/resin ratio along the entire blade, delivering strength and lightness.
Engineered Design for Efficient Finning
The calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical finning frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of movement underwater.
Water rails: constant-profile structure with a height of 10 mm, designed for optimal stability and trim control.
Blade size: 667 x 185 mm, balanced to ensure efficient propulsion.
Variants
- Stiffness levels: 25 soft and 30 medium to suit different thrust and finning requirements.
- Logo and stringer colors: red, orange, and yellow.
Applications
Prana blades are specifically designed to improve reactivity and hydrodynamic efficiency during spearfishing and freediving, making finning smoother and less tiring even during extended sessions.
Prana Blades - Cetma Composites
The Prana Blades are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.
Materials and Construction
The blades are made of 75% carbon and 25% S-Glass, a high-strength fiberglass derived from the aerospace industry. Manufacturing involves an exclusive high-pressure, high-temperature vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber/resin ratio along the entire blade, providing strength and lightness.
Engineered Design for Efficient Kicking
The calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical kicking frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of movement underwater.
Water rails: constant-profile structure with a height of 10 mm, designed for optimal stability and trim control.
Blade dimensions: 667 x 185 mm, balanced to ensure efficient propulsion.
Variants
- Stiffness options: 25 soft and 30 medium to suit different thrust and kicking requirements.
- Logo and stringer colors: red, orange, and yellow.
Applications
The Prana blades are specifically designed to improve reactivity and hydrodynamic efficiency during spearfishing and freediving, making the kick smoother and less tiring even during extended sessions.
Prana Blades - Cetma Composites
The Prana Blades are an advanced model specifically designed for freedivers and spearfishers who demand uncompromising equipment in terms of quality and materials.
Materials and Construction
The blades are made of 75% carbon and 25% S-Glass, a high-strength fiberglass derived from the aerospace industry. Manufacturing involves an exclusive high-pressure, high-temperature, vacuum process, with hot-melt impregnation using tetra-functional resin. This method ensures a defect-free component with a consistent fiber/resin ratio along the entire blade, delivering strength and lightness.
Engineered Design for Efficient Finning
The calibrated distribution of stiffness and mass along the blade promotes resonance within a range of natural frequencies that match the typical finning frequency. This configuration optimizes thrust transmission, reducing fatigue and increasing the fluidity of underwater movement.
Water rails: constant-profile structure with a height of 10 mm, designed for optimal stability and control of trim.
Blade size: 667 x 185 mm, balanced to ensure efficient propulsion.
Variants
- Stiffness options: 25 soft and 30 medium to suit different thrust and finning requirements.
- Logo and stringer colors: red, orange, and yellow.
Applications
The Prana blades are specifically designed to improve responsiveness and hydrodynamic efficiency during spearfishing and freediving, making finning smoother and less tiring even during extended sessions.
Blades PULSE - Cetma Composites
The PULSE carbon blades by Cetma Composites are a true revolution in the world of spearfishing and water training. Designed and manufactured 100% Made in Italy, the PULSE introduce the Hyperbolic Curve: an exclusive geometry that delivers maximum thrust with minimal effort, redefining the concept of responsiveness for high-performance carbon blades.
Technology and Materials
The PULSE blades are built with a selection of aerospace-derived composite materials, chosen to ensure maximum hydrodynamic efficiency and the highest structural reliability in all conditions of use.
- 100% HM (High Modulus) and HR (High Resistance) Carbon: the optimal combination of stiffness and toughness for a blade that is responsive, reactive, and virtually indestructible.
- Hot Melt Pre-preg: the composite material is impregnated with hot-melt systems using high-performance resin, ensuring a consistent and optimal fiber/resin ratio across the entire blade surface.
- OOT Technology – Out-of-Autoclave Technology: an exclusive Cetma Composites production process that achieves the same quality standards as the aerospace industry without the use of an autoclave, optimizing control over the composite curing process.
ZDF Excellence – Zero Defects
The PULSE blades are produced with Cetma Composites’ proprietary ZDF (Zero Defects) technology. This aerospace-derived production standard ensures a component with 0% internal voids, free from structural defects and with a perfectly consistent fiber/resin ratio throughout the blade. The result is a blade that maintains its original mechanical characteristics over time, with no performance degradation.
FEM-Optimized Design
The geometry of the PULSE blades is the result of advanced design using finite element analysis (FEM – Finite Element Method). The structural simulation software used by Cetma Composites ensures optimal stiffness distribution, in order to reproduce a blade deformation profile that maximizes hydrodynamic efficiency during finning, both vertically and horizontally.
The Hyperbolic Revolution
The defining feature of the PULSE blades is the Hyperbolic Curve: a patented geometry that sets these blades apart from any other product currently on the market. Thanks to this shape, the blade delivers a unique biomechanical response, with instant responsiveness and powerful thrust from the very first kick. Ideal for spearfishing and intensive training sessions, the PULSE are designed for those seeking maximum performance without compromise.
Main Features
- Exclusive Hyperbolic Curve: maximum thrust with minimal effort
- 100% HM + HR Carbon: high elastic modulus and high mechanical strength
- Hot Melt Pre-preg: hot-melt impregnation for superior composite quality
- OOT Technology (Out-of-Autoclave): exclusive Cetma Composites aerospace production process
- ZDF Excellence – Zero Defects: 0% voids, defects, and structural discontinuities
- FEM Design: advanced finite element design for optimal hydrodynamic efficiency
- 100% Made in Italy
- Ideal for spearfishing and training
Sportech Carbon Fiber Blades for Spearfishing
This pair of Sportech blades is made from carbon fiber, a material known for its exceptional lightness and mechanical strength. Available in two different stiffnesses, the blades are designed to deliver excellent efficiency in thrust transmission and optimal responsiveness during freediving fin kicks.
The carbon fiber construction also ensures excellent fluidity of movement and remarkable responsiveness, making control and maneuverability easier underwater.
Sportech fiberglass Blades
The pair of Sportech blades is made from fiberglass, a material known for its mechanical strength and its ability to combine light weight with long-lasting durability. Available in two different stiffness levels, these blades ensure optimal thrust transmission during finning.
Choosing the most suitable stiffness allows you to adapt responsiveness and movement efficiency in the water to the specific needs of freediving and spearfishing, improving control and fluidity throughout the underwater kick cycle.
Pair of Sportech Fiberglass Blades
This pair of Sportech blades is made from fiberglass, a material known for its excellent combination of elasticity and mechanical strength. The blades are specifically designed for spearfishing and freediving, ensuring effective power transfer in the water.
They are available in two different stiffness levels, allowing you to choose according to personal preferences in terms of responsiveness and efficiency during finning. The range of stiffness options helps optimize smooth movement and comfort during dives.
Freediving and Spearfishing Equipment
Explore the complete Deep Blue selection dedicated to freediving and spearfishing. On this page you’ll find the main products in our catalog: wetsuits, fins, masks, spearguns, knives, accessories, spare parts, and technical equipment for every experience level.
Every item is carefully selected to deliver reliability, comfort, and real performance in the water, from shallow-water spearfishing to more technical outings. An essential collection to quickly find what you need and complete your setup without getting lost among countless unnecessary products.
