C4 T400 fin assembly kit – precision mounting solution for maximum performance

The C4 T400 fin assembly kit is a genuine accessory from C4 Carbon, designed to create a perfect connection between the C4 T400 foot pocket and carbon or composite blades. The product is intended for professional freediving and spearfishing, where high demands are placed on rigidity, power transfer, and long-term durability in marine environments.

Key advantages

• Complete set of components to C4 standards: screws, pins, and precision mounting base.
• Premium materials with excellent resistance to saltwater corrosion, ensuring long service life.
• Rigid connection between the foot pocket and blade, minimizing vibration during powerful kicks.
• Easy to assemble and disassemble, convenient for blade replacement or upgrades.
• Suitable for both freediving athletes and spearfishing enthusiasts.

Compatibility & standard sizing

The C4 T400 assembly kit is fully compatible with the C4 T400 foot pocket, helping to optimize thrust, save energy, and maintain excellent underwater control.

Overall evaluation

With its precise design and high durability, the C4 T400 fin assembly kit is an ideal choice for completing or upgrading high-performance fins. It delivers outstanding stability, safety, and efficiency for every dive.