BOSCH G4 e-MTB Chainring - SHI 12 BF23 All-around rad AR rims are

All-around rad AR rims are slightly tweaked with an new asymmetrical profile

this ISIS bottom bracket works for riders who don't want to upgrade to an outboard bearing system or want to use it for a commuter bike

Era is expected to last five times as long as a typical alloy ring for less than twice the cost

the high end Atlas stem is designed to bridge the needs of AM and FR/DH rippers

temperature management

BOSCH G4 e-MTB Chainring - SHI 12 BF23 All-around rad AR rims areOur super strong steel Bosch Gen 4 ring mounts directly to Performance Line CX and SX e bike motors, offering a minimalist look and long wearing performance. Two ring sizes and two chain lines plus our NW tooth profile means youre always pedaling smooth, even when the trail gets rough.