e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Silver Tapping & Threading Tools UPC: 072774608539

UPC: 072774608539

- The gasket and valve core are replaceable for extended product usability

UPC: 710845698040

UPC: 072774171316

Faceplate eliminates stress risers which cause your bar to bend or break

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Silver Tapping & Threading Tools UPC: 072774608539A 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: Silver Crank Length (mm): 165 Pedal Spindle: 9