e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK ModelNumber=D1125 Zipp's single-wall approach Moto Technology

Zipp's single-wall approach Moto Technology allows the rims to "pivot" from either side of the spoke bed while traversing rough terrain

5"Designed for ebike YesExternal Adjustments Low Speed Compression DampingExternal Adjustments Rebound DampingDefined Color BlackPositive Spring AirStanchion Diameter 35

grip color camo clamp color black length 130mm diameter 29

Push design to easily control CO2 release

1 Tubeless Folding Tan Light and Supple

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK ModelNumber=D1125 Zipp's single-wall approach Moto Technologye*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 165mm with Self Extractor Black. 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