e*spec Race Carbon Bosch Gen 4 Ebike Crank Arm Set Endurance road Forged 6066-T6 aluminum crank arms

Forged 6066-T6 aluminum crank arms with CNC machining provides strength with lighter weight for improved acceleration and climbing

Using pressure mapping

The Wind 42 inherits many of Fulcrum’s proprietary technologies

The practical magnetic lid closure on the Fuel Pack makes opening the top tube bag child’s play and allows you easy access to your energy supply during the ride

A more contamination resistant BB design that uses an integrated dust cover with a snug and secure fit to fully protect the face of the bearing

e*spec Race Carbon Bosch Gen 4 Ebike Crank Arm Set Endurance road Forged 6066-T6 aluminum crank armsThe e*thirteen e*spec Race Carbon Crank Arm Set is designed to work with Bosch Gen 4 eBike motors. These carbon crank arms offer a slim Q factor and smaller overall profile, while keeping e*thirteen's proven crank technology at the forefront. An 8mm self extractor bolt is built into both arms for easy removal World Cup DH rated layup and construction Compacted carbon fiber with an additional 3k added to front and rear faces of crank for impact