e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 160mm, with Self Extractor, Black Storage Weight: 346

Weight: 346

- 208 tungsten carbide spikes per tire

- Mountain versions for 73mm bottom bracket shells or Road specific versions for 68mm bottom bracket shells

157992-Q0-L

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 160mm, with Self Extractor, Black Storage Weight: 346A 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): 160 Pedal Spindle: 9 16"