RaceFace Aeffect R E-MTB Crankarms

Smooth-pedaling ergonomics with an extra-burly eMTB build.

Product Features

- Purpose-built for Bosch Gen4 drive system for seamless motor integration
- Optimized 180mm Q-Factor maintains motor and frame clearance while delivering pedaling ergonomics and feel of regular Race Face mountain bike cranks
- 160/165/170mm crank lengths that are trimmed to length for improved ground clearance on shorter sizes
- 444g arm weight among lightest alloy eMTB cranks helps reduce overall bike weight
- Pair with Steel DM Bosch G4 Ring for perfect integrated styling