e*thirteen Helix e*spec Crank Arm Set - 170mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Black Suspension Fork Tuning Kits Manufacturer Part Number: RF001WTH

Manufacturer Part Number: RF001WTH

PA7196 TR6311 591601

Manufacturer Part Number: 10682

The other side of the handle has a 4mm opening for two double-sided hex bits that nest on the inside of the handle via magnet

e*thirteen Helix e*spec Crank Arm Set - 170mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Black Suspension Fork Tuning Kits Manufacturer Part Number: RF001WTHHelix 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