Campagnolo Super Record Rear Derailleur - 12 Speed Medium Cage Carbon MFPN=BAA0783K }Piston Pro X Hitch Bike

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Campagnolo Super Record Rear Derailleur - 12 Speed Medium Cage Carbon MFPN=BAA0783K }Piston Pro X Hitch BikeCampagnolo Super Record Rear Derailleur 12 Speed Medium Cage Carbon. The Super Record 12 Speed rear derailleur combines the highest quality materials for exceptional weight and unparalleled performance. The unidirectional carbon fiber front rocker arm reduces weight with an innovative shape that envelopes the cassette better thanks to 3D Embrace technology creating a double effect: allowing the chain to maintain optimum traction at all times thus