e*thirteen Helix e*spec Crank Arm Set - 155mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Black Tubeless Accessories 122724-Q0-L

122724-Q0-L

178447-Q0-L

Manufacturer Part Number: N0BD20120S0100

129335-Q0-L

Manufacturer Part Number: 05023461001

e*thirteen Helix e*spec Crank Arm Set - 155mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Black Tubeless Accessories 122724-Q0-LHelix 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