FSA Bosch Gen4 W0147 Spider

Optimize your Bosch Gen4/Gen5 e-bike drivetrain with the FSA W0147 Spider. This robust steel spider offers universal 104 BCD compatibility, allowing extensive chainring customization to suit any terrain. Its Boost 148mm optimized design ensures a perfect 53mm (Gen4) or 55mm (Gen5) chainline for smoother shifting, reduced noise, and increased drivetrain longevity. Engineered for seamless integration and durability under high torque, it´s the essential upgrade for peak e-MTB performance