Campagnolo Super Record 11 Speed Road Bicycle Rear Derailleur RD11 SR1

The masterpiece of the 2011 CampagnoloR model range!Speed, precision, smoothness and better looks: the first rear derailleur with carbon fibre upper and lower body will amaze even the most demanding of cyclists. Lower and upper bodies, oute plate, parallelogram: all carbon made components.The white '11' on the red rectangle printed on the carbon fiber gives the Super RecordTM 2011 version a more aggressive and unique style. upper to lower pulley axle: 55 mm composite outer plate Titanium hanger and pivot bolt parallelogram with 11s geometry carbon fiber forged aluminium upper and lower body metal carbon cage lightened special rubber pulleys bottom pulley with ceramic bearings.