Bosch 104 BCD eMTB Spider (Gen4)

Update or replace your Gen4 Bosch eMTB spider with our CNC machined in Whistler option.

Need a new lock nut? Check out our Bosch Gen4 Spider and Chainring Lock Nuts.

Specifications:

• 52mm Chainline
• Compatible with Bosch Gen4 Performance Line CX and SX motors
• Machined from solid 6061 aluminum
• Anodized black with laser etched graphics