Campagnolo Potenza 11 Speed HO Rear Derailleur - Medium Cage - Black

Thanks to sophisticated solutions such as Embrace technology, riders using Potenza 11? can count on highly efficient power transfer, secure grip, efficient chain/cassette interface and longer component life previously attributed only to the elite mechanical transmissions from Campagnolo. Upper body in ultra-light technopolymer reinforced with glass fiber offers fantastic weight to stiffness while resisting impacts. Limit screws positioned on the back of the body like those of the Super Record. Embrace technology technology increases the number of sprocket teeth wrapped by the chain, allowing smooth, fast and prompt shifting.