FSA Bosch Gen4 W0134 Spider

Upgrade your high-performance e-bike with the FSA Bosch Gen4 W0134 Spider. Precision-engineered for Bosch Gen4 motors, this spider unlocks ultimate drivetrain customization. Its industry-standard 104mm BCD lets you choose from a vast array of chainrings to perfectly tune your gearing for any trail. Crafted from a high-strength alloy, it delivers robust durability and flawless power transfer under intense torque. The optimized 50mm chainline ensures smooth, quiet shifting and reduces component wear, elevating every ride with uncompromising quality and performance