e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver ModelNumber=K8477 CNC machined 7075-T6 series aluminum

CNC machined 7075-T6 series aluminum provides the perfect blend of light weight and strength

Primary Color Green Rotor Mount Center Lock Freehub Body SRAM XD Hub Spoke Type J-bend Hub Weight 227g Hub Drilling 28H Hub Spacing 148mm Axle Type 12mm TA Position Rear

Developed in association with pro teams it is designed to maintain optimum grip in all weather conditions and is comfortable even without the use of gloves

Color Black Chainring BCD 110 Designed for ebike Yes Defined Color Black

100% CNC machined hubs with 6-pawl simultaneous engagement

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver ModelNumber=K8477 CNC machined 7075-T6 series aluminume*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 165mm with Self Extractor Silver. A 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