Race Face's super strong steel BOSCH Gen4 ring mounts directly to BOSCH Performance Line CX e-Bike motors, offering a minimalist look and long-wearing performance. Two ring sizes and two chain lines plus Race Face's NW tooth profile means pedalling is always smooth, even when the trail gets rough.
Narrow wide tooth profile is SHI-12 spd compatible
Provides secure chain retention.
Tough steel construction is strong and hard-wearing with enough stiffness for e-MTB torque needs.
Designed to mount directly to BOSCH Gen4 Performance Line CX motor
Two sizes and two chain lines to ensure the right fit
