FSA Bosch Gen4/Yamaha PWX CK-320 crank

Engineered for the high-torque demands of modern e-mountain bikes, the FSA CK-320 crank arms are a robust and reliable upgrade. Seamlessly compatible with Bosch Gen4 and Yamaha PW-X motors, they ensure a perfect fit and hassle-free installation. The solid ISIS spline interface guarantees efficient, flex-free power transfer, while the durable 170mm arms provide the ideal balance of leverage and clearance for aggressive trail riding. Experience a direct, powerful connection to the trail with these performance-built cranks