Campagnolo Super Record S Wireless Crankset - 165mm 12-Speed 45/29t Campy 121/88 Asym BCD Ultra Torque Spindle Carbon ModelNumber=E4124 7 Lockout Switch Shock Mounted

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

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

A crown race adapter (sold separately) will allow you to use forks with smaller 1-1/8" or 1-1/4" steerer tubes with a larger 1-1/2" bottom headset cup

Removable shoulder strap allows easy transportation off the bike

Campagnolo Super Record S Wireless Crankset - 165mm 12-Speed 45/29t Campy 121/88 Asym BCD Ultra Torque Spindle Carbon ModelNumber=E4124 7 Lockout Switch Shock MountedThe 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