e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 155mm, with Self Extractor, Black Wheel Skewers & Frame Axles Front hubs use 9x1 thread

Front hubs use 9x1 thread pitch while Rear hubs use a 10x1 axle

UPC: 184771000985

FSA Orbit IS headsets

Performance Elite Transfer Posts retain the same internals

- Workshop Gold kit includes: includes 100 ml of Gold hydraulic oil

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 155mm, with Self Extractor, Black Wheel Skewers & Frame Axles Front hubs use 9x1 threadA high performance, weight optimized alternative to carbon fiber, for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal clearance and are tested to E Enduro standards. Product Specifics Color: Black Crank Length (mm): 155 Pedal Spindle: 9 16"