e*thirteen Helix Race e*spec Alloy Cranks - Black Variant:Bosch CX Gen4/5 / Brose S Mag 40mm and 50mm

40mm and 50mm

Speed has evolved

Removable and hand-washable padding provides maximum comfort for the wearer

Flexible arms swivel 10-40mm to accommodate most M5 bolt stem sizes

e*thirteen Helix Race e*spec Alloy Cranks - Black Variant:Bosch CX Gen4/5 / Brose S Mag 40mm and 50mmHelix Race e*spec Alloy Cranks offer a high performance alternative to carbon fiber for riders who prefer alloy or dont want to pay for carbon to get a premium product. Forged and extensively CNC finished, the Helix Race e*spec Crank is a piece of machining art to personalize your fit and ideal e bike build. These cranks are a serious upgrade that will increase strength and pedal strike resistance while reducing your bikes weight. Available in shorter