Replacement derailleur pulleys for Campagnolo Super Record 11s and to upgrade Record 11s rear derailleurs. Pulley wheels (2) with screws.
11T pulley wheels in special noise reducing lightweight rubber. Ceramic bearings in lower pulley and ceramic ball bushing in upper pulley lower resistance and improve durability.
Original Campagnolo replacement parts.
Sold as a set of two, one upper and one lower.
Campagnolo part RD-SR600