FSA Bosch CK-746/IS crank

Upgrade your Bosch-powered e-bike with the FSA CK-746/IS Crank Arms. Engineered for the high torque of modern E-MTB riding, these robust 170mm cranks deliver exceptional stiffness, ensuring every watt of power is transferred directly to the trail. The precise ISIS spline interface guarantees a secure, play-free fit on Bosch systems, giving you the confidence to push your limits. Experience unparalleled durability and a more responsive, efficient ride on any terrain with this essential performance upgrade