Lightweight, durable, stiff and designed specifically to work with Bosch and Brose mid-ship motors, EX1 crank arms are purpose built for the high-torque E-MTB environment
Proven SRAM technologies adapted for the demands of midship-motor E-MTBs
Compatible with Bosch*, Brose, Yamaha and other mid drive ISIS bottom bracket interfaces
*Bosch Generation 2 and 4 Motors; Not compatible with Gen. 3 Bosch Motors
Disclaimer: We are doing our best to provide accurate and up to date descriptions, specifications and images of our products, but we cannot guarantee that they are absolutely correct. Please contact us if in doubt, or to confirm a particular feature or a spec which is important to you.