duotone fin set tri slot us 2026 44250-3013 while the bell simply plugs

while the bell simply plugs onto the motor thanks to a strong magnetic connection

ergonomic and at the same time dynamic riding position on the bike due to the different axle lengths

Perfectly built for stormy

with its eye-catching design

This unique combination generates incredible speed

duotone fin set tri slot us 2026 44250-3013 while the bell simply plugsWe offer the fins exclusively as a complete set because they were engineered to work in perfect harmony exactly as Kai intended. While other brands rely on compromise designs that need to work across multiple setups (single, tri thruster, quad), the TRI fin set is different. Its a nocompromise, highend solution created to meet and exceed the expectations of World Cuplevel riders. In fact, its an open secret that many of the sports top professionals