STC

Kit for X-Power 3.0 Spearguns

The Kit for X-Power 3.0 Spearguns is a modular system specifically designed to ensure the watertight seal of the vacuum muzzle on pneumatic spearguns. Used in combination with the X-Power Shaft Kit, it provides a reliable seal, improving the efficiency of the speargun.

Technical Features

• Tubular element made of anticorodal aluminum, known for its light weight and mechanical strength, ideal for use in underwater environments.
• Shock-absorbing bushing in sound-dampening elastomer, specifically designed to absorb vibrations and optimize comfort during use.
• End thread that allows the sleeve of the X-Power Shaft Kit to be screwed on, ensuring a strong and precise connection.
• Compatible with X-Shaft free shafts and traditional shafts with tang, offering versatility in shaft selection.
• Available for pneumatic spearguns of various brands and models, with 11 mm or 13 mm barrels.

Benefits for Freediving and Spearfishing

The modular structure and selected materials ensure a reliable watertight seal, essential for maintaining pneumatic efficiency during freediving and spearfishing. Anticorodal aluminum provides an excellent balance of light weight and mechanical strength, while the sound-dampening elastomer improves operational smoothness and reduces vibrations, optimizing comfort during extended use in the water.

Compatibility with different types of shafts allows extensive gear customization, adapting to the specific needs of the freediver or spearfisher. The option to choose between 11 or 13 mm barrels makes the kit suitable for a wide range of pneumatic speargun configurations.

Kit for Traditional Shafts - X-Power

The Kit for Traditional Shafts - X-Power includes a threaded bushing made from acetal resin, designed to ensure a watertight seal of the vacuum muzzle when used with the X Power 2.0/3.0 Speargun Kit. This feature provides protection against water ingress and greater durability for the firing system.

Kit Components

• One threaded acetal resin bushing with a dedicated washer seat and shaft pass-through hole;
• Two dynamic shaft sealing gaskets, one of which is already installed in the bushing, designed to maintain a proper seal and minimize leaks.

Compatibility and Dimensions

The kit is available for shafts with diameters of 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm and 8.0 mm, allowing it to fit the different standard sizes used in spearfishing with traditional spearguns.

Easy Assembly and Maintenance

The bushing assembly and disassembly system is simple and fast, with no tools required. Simply screw or unscrew the bushing from the muzzle to install or remove the terminal. This feature makes periodic inspection of the sealing gaskets easy, even with the speargun unloaded and under pressure, ensuring maximum sealing efficiency over time.

X-Shaft Free – X-Power Shaft Kit: Threaded Acetal Resin Bushing

The X-Shaft Free – X-Power Shaft Kit includes a threaded bushing made from acetal resin, designed to ensure the watertight seal of the vacuum muzzle when paired with the X Power 2.0/3.0 Speargun Kit. This component is essential for maintaining trim efficiency and muzzle functionality while in the water.

Kit Contents

• Two dynamic shaft seals, one of which is already installed on the bushing
• Front housing for washer
• Shaft pass-through hole with available diameters from 6.5 mm to 8.0 mm (6.5, 6.75, 7.0, 7.5, 8.0 mm)

Technical Features and Benefits

The bushing is made from acetal resin, a material known for its mechanical strength and light weight, essential properties for efficiency and durability in spearfishing and freediving.

Installing and removing the terminal is quick and easy, with no tools required. Simply screw or unscrew it directly from the muzzle, allowing the seals to be inspected and serviced in complete safety, even with the speargun still loaded and pressurized.

Applications and Compatibility

The kit is specifically designed for X-Shaft Free shafts and ensures an optimal dynamic seal, essential for accuracy and smooth power transmission in spearfishing and freediving activities.

Kit for X-Shaft Free Shafts – X-Power 1.0

The Kit for X-Shaft Free Shafts – X-Power 1.0 is a threaded bushing made from acetal resin, specifically designed to ensure the vacuum watertight seal of the muzzle when paired with the Kit Fucile – X Power 1.0.

The kit includes:

• One threaded bushing with washer seat and shaft pass-through hole
• Two sealing gaskets to ensure watertightness
• One slide ring complete with stoppers for proper shaft positioning

The technical features of the bushing include a dedicated front seat for the washer and an optimized hole for shaft passage, ensuring rigidity and stability during the shooting phase in spearfishing.

Quick and easy installation

The end-piece assembly and disassembly operations can be performed without tools, thanks to a threaded system that allows the bushing to be screwed and unscrewed directly from the muzzle quickly, improving convenience during maintenance and speargun preparation.

Compatibility

The kit is available for shafts with a diameter of 6.5 mm and 6.75 mm, allowing you to choose the solution best suited to your precision and power requirements in spearfishing.

Plastic Adapter for Airbalete - STC Italia

The STC Italia plastic tubular adapter is the dedicated component for Omer Airbalete pneumatic spearguns, designed to ensure a perfect seal on the speargun barrel in all underwater use conditions. An integral part of the X-Power STC system, this adapter is an essential spare part for anyone who wants to keep their speargun efficient and high-performing at all times.

Composition and materials

• Tubular adapter made of high-strength technical plastic
• Sold complete with 2 silicone o-rings for sealing against the barrel
• Compatible with Omer Airbalete pneumatic spearguns
• Original STC Italia component, a brand specialized in vacuum systems for spearfishing spearguns

Function and use

The adapter plays a key role in ensuring a watertight seal on the barrel of the Omer Airbalete speargun, a critical element for the proper operation of the X-Power system. The two included silicone o-rings provide an effective, long-lasting seal, protecting the inside of the barrel from water ingress and ensuring maximum reliability during spearfishing.

Compatibility

• Omer Airbalete pneumatic spearguns (all sizes)
• Ideal as a spare part or for completing/restoring the X-Power STC kit

The X-Power STC system

STC Italia is the leading Italian brand for vacuum conversion systems for pneumatic spearguns. The X-Power system eliminates water from the speargun barrel, reducing friction at the moment of the shot and increasing shaft speed, power, and shot accuracy with the same pre-charge. The adapter is one of the key components of this system, and its correct installation and maintenance are essential for the overall performance of the speargun.

Damping Bushing for X-Power 3.0 System

The STC damping bushing, specifically designed for the X-Power 3.0 system, is made from sound-absorbing elastomer, ensuring effective reduction of vibration and noise when tracking the speargun.

This technical component is available in two sizes, optimized for spearguns with a 11 mm or 13 mm barrel, allowing perfect integration and ideal absorption of mechanical stress for spearfishing and freediving.

The use of the elastomer bushing ensures greater mechanical strength and helps preserve the integrity of the speargun over time, while also improving operating comfort during dives.

Titanium Tailpiece and Washer Kit for Pneumatic Spearguns

This tailpiece kit and Titanium washer is designed for pneumatic spearguns equipped with a conventional or vacuum muzzle, ensuring long-lasting reliability and durability. Titanium, chosen for its excellent mechanical strength and light weight, provides a component that does not bend or deteriorate with use, preserving the performance of the pneumatic speargun.

Technical Features

• Compatible with 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm, and 8.0 mm shafts
• Smooth, streamlined surface to prevent damage to vacuum muzzle seals
• Made from Titanium to ensure light weight and durability

Benefits

An efficient oleopneumatic shaft requires a tailpiece that maintains its shape and functionality during use in underwater environments, and this kit perfectly meets that need. Protecting the vacuum seals is essential to maintaining the seal and proper operation of the muzzle, ensuring greater reliability during spearfishing.

Applications

The kit is ideal for spearfishers who need a replacement component capable of ensuring smoothness and precision in the transmission of thrust to the pneumatic shaft, maintaining optimal speargun performance over time.

Wishbone Adapter for Mares/Cyrano EVO HFT Kit - STC Italia

The STC Italia Wishbone Adapter is a nylon bushing specifically designed to allow the X-Power system to be installed on Mares Cyrano EVO HFT pneumatic spearguns. It is an essential connecting component for anyone who wants to install or complete an X-Power muzzle kit on this specific speargun series, ensuring a precise and reliable fit between the original wishbone and the main module of the STC system.

Function and compatibility

This adapter was developed to correctly connect the wishbone geometry of Mares Cyrano EVO HFT spearguns with the STC X-Power muzzle system. The technical nylon bushing ensures a stable connection that is resistant to marine corrosion and free from unwanted vibration. It is a key element for the complete assembly of the X-Power muzzle on this speargun series.

• Component designed for Mares Cyrano EVO HFT spearguns
• Made of technical nylon resistant to marine environments
• Ensures a precise connection between the wishbone and the X-Power module
• Essential for the complete installation of the STC muzzle kit
• High resistance to saltwater corrosion
• Low weight, without compromising the solidity of the fit

The STC Italia X-Power system

The STC Italia X-Power system is a high-performance vacuum conversion kit for pneumatic spearguns, designed to increase shot speed, reduce noise, and improve accuracy. To assemble a complete X-Power muzzle, the following are required:

1. X-Power Speargun Kit (includes adapter, main module, and damping bushing)
2. X-Power Shaft Kit (standard or free)

This wishbone adapter is the component that makes it possible to interface the original Mares Cyrano EVO HFT muzzle with the main module of the X-Power system, ensuring mechanical compatibility and optimal sealing during spearfishing sessions.

Why choose STC Italia components

STC Italia is a leading Italian company in the field of high-performance accessories and components for pneumatic spearguns. Its products are internationally recognized for build quality, machining precision, and compatibility with the leading brands in the industry. The use of technical materials such as high-strength nylon ensures long service life and reliability even in the most demanding conditions.

STC Universal Bushing for Standard Shafts

The STC universal bushing is made from acetal resin, a material known for its high mechanical strength and lightweight properties, ideal for use in spearfishing and freediving.

Designed to ensure quick and easy installation, this bushing screws directly onto the shaft without the need for tools, making assembly and disassembly easier during underwater activity.

Compatibility and Sizes

• Compatible with the X-Power 1.0 system
• Available for shafts with diameters: 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm, 8.0 mm

The STC universal bushing for Standard shafts ensures directional accuracy during freediving, improving orientation and underwater navigation.

STC Universal Bushing for X-Shaft Free Shafts

The STC universal bushing is made from acetal resin, a material known for its high mechanical strength and low weight—essential characteristics for optimizing trim and practicality in the water during spearfishing.

Compatible with the X-Power 1.0 system, this bushing is designed to ensure fast, easy installation with no tools required. It is secured by screwing the component directly onto the shaft, allowing efficient installation and removal as part of your spearfishing equipment setup.

Technical specifications

• Material: acetal resin, for a balanced area between strength and lightness
• Compatibility: X-Power 1.0 system
• Available for shafts with diameters: 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm, 8.0 mm
• Attachment: quick screw-on installation with no tools required

This bushing is an essential accessory for anyone using X-Shaft Free shafts in spearfishing, ensuring ease of use and optimized in-water efficiency thanks to reliable materials and practical installation ergonomics.

XLUBE PTFE Spray Lubricant for Pneumatic Spearguns - 30 ml

XLUBE is a spray lubricant formulated with 98% PTFE, specifically designed for the maintenance of pneumatic spearguns used in freediving and spearfishing.

Only a minimal application is required to ensure effective cleaning of the mechanical components, preserving their functionality and ensuring optimal operating performance.

Technical Features

• PTFE (polytetrafluoroethylene): a plastic material that significantly reduces noise generated by the movement of lubricated components, improving quiet operation underwater.
• Forms a Teflon microfilm inside the barrel, optimizing piston expulsion speed and positively affecting the speargun’s responsiveness and accuracy.
• Long-lasting lubrication, helping maintain optimal operating conditions for up to three times longer than conventional lubricants.
• High resistance to mechanical stress and the typical workload of freediving use.

Applications and Benefits

XLUBE is recommended for use on pneumatic spearguns, improving tracking smoothness and minimizing internal noise and friction during freediving and spearfishing sessions.

The 30 ml bottle is practical and easy to carry, making periodic speargun maintenance easier even with frequent dive sessions.

Dynamic Sealing Gasket for Shaft

This dynamic sealing gasket is made with a special soft compound that fully wraps around the shaft during loading and the hunting phase, while ensuring a complete, friction-free shaft release during the ejection phase.

The gasket is designed to provide high resistance to corrosion in saltwater environments, ensuring durability and reliability even after prolonged use in salt water.

Thanks to its flexibility, it does not interfere with the passage of the rear shaft tang, optimizing release smoothness and accuracy in the water.

Technical specifications

• Available for shafts with diameters: 6.5 mm, 6.75 mm, 7.0 mm, 7.5 mm and 8.0 mm
• Soft, flexible material for friction-free operation
• Resistant to degradation in saltwater environments