Campagnolo Super Record S Wireless Crankset - 165mm 12-Speed 45/29t Campy 121/88 Asym BCD Ultra Torque Spindle Carbon ModelNumber=E4124 Impacted Tested with Maximum Level

Impacted Tested with Maximum Level 2 Protection

Rear Axle 12mm Thru x 148mmRim Width (Internal) 29Cassette Body Type Shimano Micro SplineValve PrestaColor BlackWheel Size 29"Designed for ebike YesISO Diameter 622 / Road / 29"Rim Material CarbonTire Type Tubeless ReadyHub/Brake Compatibility Center-Lock Disc

}Wheels Manufacturing Rear Thru Axle - M12 x 1 x 13 180mm

Features a 2 degree tapered end sized to provide a friction-fit in the nipple

Streamlined aerodynamic form is optimized for road riding

Campagnolo Super Record S Wireless Crankset - 165mm 12-Speed 45/29t Campy 121/88 Asym BCD Ultra Torque Spindle Carbon ModelNumber=E4124 Impacted Tested with Maximum LevelThe Super Record S Wireless 2x 12 Speed crankset features the iconic Campagnolo design with visible carbon fiber for a crankset conceived to deliver maximum accur. The Super Record Wireless S crankset is entirely made of unidirectiional carbon fiber and uses the Ultra Torque locking system with a steel axle to transfer all the power applied on the pedals by the cyclist to the transmissionImmediate unstoppable reactivity directed along a steel axle and