Race Face Spider Bosch Gen4 4-hole 104mm

So you've decided on an E-Bike, good for you! Race Face is excited to offer you a Cinch E-MTB Spider, which allows you to use Race Face 104BCD chainrings on your RF E-Bike crankset. This spider is only compatible with the Bosch Performance Line CX (Gen4) motor. Each RF 1 x 104BCD chainring is securely mounted with the included hardware, including the new SHI-12 Speed chainrings!.