Lightweight, durable, stiff and designed specifically to work with Bosch and Brose mid-ship motors, SRAM’s EX1 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
– Arm Material: Aluminum
– Colors: Black
– Bottom Bracket Interface: ISIS










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