Campagnolo Super Record 11 Speed Carbon Rear Derailleur. Campagnolo Super Record 11 shift quality is defined by its low-effort crispness. While most of the shifting magic is built into the Super Record 11 Ergopower levers, the Ultra Shift design of the Super Record 11 rear derailleur complements the levers, and together they deliver a 13% reduction in actuation force needed to engage a shift.

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Specifications:

Campagnolo increased the rigidity of its 11-speed rear derailleurs by redesigning the parallelogram and the carbon fiber front link, a piece that is said to be 150 percent stiffer torsionally than its 10-speed predecessor.

New lightened and quieter rubber

Upper pulley: self-lubricating ceramic bushing

Lower pulley: self-lubricating ceramic ball bearings

Clamping and mounting bolts are titanium

UPC: 8004995860016
Manufacturer Part Number: RD11-SR1