Helix E*Spec Crank Options:Helix e*spec Crank Arm Set - 155mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Black and reduce the chance of

and reduce the chance of injury for every rider with patented technology

COMFORTABLE AND CONFIDENT: Body position and handling are optimized to deliver unsurpassed riding comfort

Impact resistant toe box for protection from trail hazards

the exact braking point and the spot-on steering movement

fit and protection

Helix E*Spec Crank Options:Helix e*spec Crank Arm Set - 155mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Black and reduce the chance ofHelix Core cranks provide an e bike drivetrain upgrade with high end features and aesthetics at an exceptional value. Forged for e Enduro strength, with alloy self extractor bolts, pedal washers, and molded impact boots. 24mm ISIS interface models are compatible with Bosch Gen 4, Brose S Mag, TQ, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. Available in short lengths from 155mm for improved pedal clearance. Forged, CNC Machined AL 6066