Wishbones for band-powered spearguns

Hydro Velox Articulated Wishbone for Spearfishing Spearguns

Hydro Velox articulated Wishbone designed specifically for spearfishing spearguns, featuring a bridge made from 2.0 mm steel rod to ensure strength and mechanical resistance. The threaded hydrodynamic collar system optimizes tracking efficiency, reducing drag during underwater action.

Main Technical Features

• 2.0 mm steel bridge: ensures a solid, durable structure for band attachment
• Threaded hydrodynamic collar: promotes smoother movement and minimizes water resistance
• Articulated design: allows more precise and responsive movement of the wishbone during power transmission

Benefits for Freediving and Spearfishing Use

The combination of durable materials and functional design ensures high reliability and ease of use during freediving descents. The articulated system makes loading the speargun easier and provides a smoother band release, increasing shot accuracy.

Hydro Velox Articulated Wishbone for Bulk Bands

Hydro Velox articulated Wishbone designed specifically for bulk bands used in spearfishing and freediving. The design features a bridge made from 2.0 mm diameter steel rod, ensuring high mechanical strength and long-term durability.

The articulated configuration allows smooth movement and better tension distribution when loading the bands, optimizing power transfer and reducing the risk of premature wear. This technical detail is essential for maintaining the efficiency and accuracy of the band setup over time.

Meandros Tied Type 1 Stainless Steel Wishbone for Spearguns

The Meandros Tied Type 1 wishbone is made entirely from stainless steel, ensuring high mechanical strength and durability in marine environments. The rigid structure of the wishbone keeps the bands separated, ensuring proper parallel alignment that promotes a clean, precise sight line during spearfishing and freediving.

Technical and functional benefits

• The rigidity of the wishbone prevents the bands from overlapping, which is common with soft Dyneema versions, making aiming reference easier.
• Promotes more efficient power transfer with bands arranged in a parallel and stable position.
• Stainless steel material offers high resistance to marine corrosion and ensures long service life even under intensive use.

Technical specifications

• Material: stainless steel
• Available width: 16, 20, 25, 30, 35, and 41 mm
• Compatible with Tied Type 1 constrictor knots

Applications

This wishbone is ideal for spearfishing and freediving, where swing accuracy and smooth power transfer from the bands are essential for optimizing the shot phase and speargun control.

Muzzle Bushing Adapter for Tied Bands - Hunt Technology

The Hunt Technology adapter bushings are the ideal technical solution for anyone who wants to fit bulk rubber fitted with bushings on spearguns equipped with a closed threaded muzzle. An essential accessory that expands your speargun configuration options without having to replace the muzzle.

Materials and Construction

Made with the artisanal care typical of Hunt Technology, the bushings are built from solid-machined Derlin, a high-strength technical material that is lightweight and performs excellently in saltwater. The pin is made of AISI 316 stainless steel, resistant to marine corrosion, with a geometry specifically designed to make insertion easier even on bands with a reduced-diameter bore.

Technical Features

• Bushing body in solid-machined Derlin – lightweight and maximum strength
• Pin in AISI 316 stainless steel – corrosion-resistant in marine environments
• Integrated 15 mm hex to make installation and tightening in the muzzle easier
• Pin profile optimized for insertion into small-bore bands
• Compatible with closed threaded muzzles designed for screw-in bands with bushings
• Compatible with bulk rubber from any brand

Compatibility and Use

This adapter allows you to fit bulk rubber from any brand on spearguns equipped with a closed threaded muzzle, meaning muzzles that already have threads for mounting standard screw-in bands with bushings. It is the perfect solution for anyone who wants to customize their shooting setup by switching to tied bulk rubber bands, while keeping the speargun’s original muzzle.

Hunt Technology Production

Hunt Technology is an Italian artisanal company specialized in the production of high-performance accessories for freediving spearfishing and spearfishing. Each component is designed with selected materials and precision machining, built to last over time even in the most demanding marine conditions.

Wishbone Jewel ML with Bushings - SigalSub

The SigalSub Jewel ML Wishbone with bushings is a jointed stainless steel wishbone designed to be mounted on threaded bands with ø 16 mm bushings, compatible with all major spearfishing spearguns. Created to meet a real need among experienced spearfishers, this wishbone was developed to ensure a perfect, precise, and reliable catch in every condition of use.

Design and Construction

The Jewel ML stands out for its meticulous attention to construction details. The half-moon section — the part that engages the shaft notches — is precision-machined to ensure optimal contact and a secure catch. The angle is specifically designed not to be too pronounced, in order to minimize contact with the angled part of the shaft and optimize power transfer.

• High-quality stainless steel construction
• Arms approximately 35 mm long (including the brass ball)
• Fixed half-moon section (non-removable) measuring 30 mm
• Pin width: approximately 30 mm
• Compatible with threaded bands with ø 16 mm bushings

Performance and Compatibility

The Jewel ML Wishbone with bushings is compatible with all freediving spearfishing spearguns, including more demanding models such as the Mr. Carbon by C4. Thanks to its carefully engineered geometry, the bands’ power is transferred to the shaft efficiently and directly, without loss. The bands remain properly aligned and spaced, eliminating friction and interference during the shot.

• Compatible with all major spearguns for spearfishing
• Precise and stable engagement on the shaft notches
• No friction between the bands during the shot
• Power transferred to the shaft with no energy loss
• Version with bushings for ø 16 mm threaded bands

A High-Quality Made in Italy Product

SigalSub is an Italian brand recognized in the spearfishing world for the quality of its workmanship and its focus on the real needs of spearfishers. The Jewel ML Wishbone with bushings is one of the most appreciated accessories in the range, synonymous with reliability, precision, and long-lasting durability.

Wishbone Wire with Bushings - Sigalsub

The Sigalsub Wishbone Wire with bushings is one of the highest-performing ballistic solutions available for spearfishing. Developed from the evolution of the "articulated wishbone" designed by Giorgio Dapiran, this articulated wishbone combines a refined technical design with top-quality materials, built for those who accept no compromises in the water.

Harmonic Stainless Steel Wire Wishbone

The attachment system uses a harmonic stainless steel wire with a breaking load of 1800 N/mm², offering the same performance characteristics as the Sandvik steel used in classic Tahitian shafts. Compared to previous systems, this material provides superior elastic return and 20% greater mechanical strength, ensuring maximum reliability on every shot.

Handcrafted Manufacturing and Quality Control

• Each wishbone is made and hand-beveled at the end section
• Individually checked with a 0.3 mm probe to verify closure and hold
• Wishbone bent outward and left open: interchangeable in case of breakage
• Design that eliminates the risk of hand lacerations if the band slips
• Greatly reduces the possibility of accidental line snagging during the shot

Dimensions and Hole Spacing

• Length: 49 mm
• Width: 35 mm
• Hole spacing: approximately 27 mm
• After the first loading, the wishbone closes: stable spacing of approximately 20–22 mm for all subsequent uses

Compatibility and Use

The with bushings version is designed for use with Ø 16 mm threaded bushing bands, ensuring a secure, precise, and stable installation on the speargun. Compatible with shafts featuring both notches and pins.

Why Choose the Wishbone Wire

Wire wishbones naturally offer the best ballistic solution among the different types of wishbones available. The open, interchangeable design of the wishbone simplifies maintenance and replacement, even in the water, without having to untie knots or disassemble the band. An ideal choice for demanding spearfishers who want the very best from their gear.

Wishbone XL with Bushings - SigalSub

The SigalSub XL Wishbone with bushings is an articulated wishbone for spearguns, made entirely from AISI 316 stainless steel using 4 mm rod stock. Strong, precise, and designed to deliver maximum ballistic performance, it is the ideal choice for anyone using double- or triple-band spearguns.

Construction and Materials

Each wishbone is made from 4 mm AISI 316 Stainless Steel rod stock, hand-bent and shaped to form the engagement hook. A second bend on the arms brings the bands perfectly back in line after engagement on notches or pins. The terminal surfaces remain rounded, significantly reducing the risk of abrasion in the event of accidental release. The version with bushings includes dedicated threaded Derlin bushings (16 pitch), allowing direct use with bands with bushings.

Ballistic Performance

Thanks to its XL dimensions — 65 mm length, 51.3 mm width, and hole center distance of approximately 47 mm — this wishbone keeps the bands perfectly spaced and parallel during loading. This prevents the rubber bands from overlapping, eliminating unnecessary friction and energy loss during the shot, for a consistently clean and precise sight line.

Recommended Use

• Ideal on double- or triple-band spearguns, paired with a narrower wishbone (wire or classic style)
• Also compatible with single-band spearguns, making it easier to engage and slide the hands out
• Pairing with wishbones of different widths to keep the bands perfectly spaced and parallel
• Compatible with shafts with notches or pins

Technical Specifications

• Material: Stainless Steel AISI 316
• Rod diameter: 4 mm
• Dimensions: 65 mm (length) × 51.3 mm (width)
• Hole center distance: approx. 47 mm
• Weight: 16.7 g
• Bushings included: in Derlin, 16 pitch thread, Ø 16 mm
• Compatibility: bands with bushings and tied-in bands