FSA

W0001 BROSE Ebike 1x/2x Spider 104/64 BCD for Boost 148

FSA W0001 BROSE eBike 1x/2x Spider 104/64 BCD for Boost 148 is built to deliver reliable power transfer and long-term durability for demanding eBike riders. Designed specifically for BROSE motor systems, this spider provides a strong connection between your crank arms and chainrings while maintaining the precise chainline needed for modern Boost 148 spacing.

Constructed from high-quality alloy, the FSA W0001 Spider achieves an ideal balance of stiffness and weight, ensuring efficient pedaling under the higher torque loads common to eBikes. Whether running a single or double chainring setup, it offers the versatility to tailor gearing for your terrain and riding style.

• Compatible with BROSE eBike systems using Boost 148 spacing
• 104/64 BCD design supports both 1x and 2x chainring configurations
• Durable alloy construction built for eBike-level torque
• Optimized stiffness-to-weight ratio for efficient power transfer
• Precision fit ensures smooth, consistent drivetrain performance