Campagnolo Super Record S Wireless 12 Speed Powermeter Crankset Chainring:50/34 The derailleur also acts as

The derailleur also acts as the central communication hub for the entire Di2 system

as well as a classic city road bike

With a shared Di2 platform

Attaches in seconds to every bike

Campagnolo Super Record S Wireless 12 Speed Powermeter Crankset Chainring:50/34 The derailleur also acts asNew Super Record S Wireless 12x2 Speed crankset with power meter: iconic Campagnolo design with visible carbon fiber, for a crankset conceived to deliver maximum accuracy. The Super Record S Wireless crankset with power meter is entirely made of 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 transmission. The power exerted on the pedals is measured by a