FSA

Crank Bolt w/Cap SL-K Modular ADV/MTB

The FSA Crank Bolt w/Cap SL-K Modular ADV/MTB is the small but essential finishing touch that keeps your crankset secure and performing at its best. Designed specifically for FSA SL-K Modular ADV and MTB cranksets, this precision bolt and cap combo ensures a snug, reliable fit for smooth, efficient power transfer on every ride. Whether replacing a worn bolt or completing a new build, it’s a simple upgrade that guarantees confidence in your drivetrain.

Built with the same attention to detail that defines FSA’s top-tier components, this crank bolt delivers the strength and durability needed for both aggressive trail riding and long gravel adventures.

• Secure fit – Designed to perfectly match FSA SL-K Modular ADV and MTB cranksets for optimal clamping force.
• Durable construction – Made to withstand repeated torque cycles and tough riding conditions.
• Easy installation – Simple to replace and torque for quick maintenance or component swaps.
• Lightweight design – Keeps overall crank weight low without compromising strength.

A small part that plays a big role, the FSA Crank Bolt w/Cap SL-K Modular ADV/MTB keeps your drivetrain tight, quiet, and ready for whatever terrain comes next.