Lightweight, durable, stiff and designed, the EX1 crank arms designed specifically to work with Bosch and Brose mid-ship motors. These crankarms 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 and Yamaha bottom bracket interfaces
• Crank arm length: 170mm
• Crank arm material: Aluminum
• Spindle Interface Type: ISIS
• Spindle is part of the E-bike motor
• Chainring and GXP Cups not included