Rotor Kapic Axle Boost axle

Upgrade your MTB drivetrain with the ROTOR Kapic Boost Axle. This precision-engineered spindle is the core of the KAPIC crank system, offering unparalleled modularity and customization. Specifically designed for Boost (148mm hub spacing) frames, it ensures optimal chainline for crisp shifting and efficient power transfer. Its robust spline interface maximizes every watt, while the OCP Mount technology allows one-degree adjustments for personalized pedaling efficiency, reducing knee stress and boosting power output. Compatible with a range of bottom brackets, this 30mm axle is your key to a lightweight, stiff, and high-performance ride