Campagnolo Super Record S Wireless Crankset - 165mm 12-Speed 45/29t Campy 121/88 Asym BCD Ultra Torque Spindle Carbon ModelNumber=E4124 One-of-a-kind bladed spoke with round

One-of-a-kind bladed spoke with round center section

6mm to resist damage from impacts and contact with the ground

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

7 Lockout Switch Shock Mounted Switch Positive Spring Coil Stroke (mm) 50

Campagnolo Super Record S Wireless Crankset - 165mm 12-Speed 45/29t Campy 121/88 Asym BCD Ultra Torque Spindle Carbon ModelNumber=E4124 One-of-a-kind bladed spoke with roundThe 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