Smooth derailleur wheels made of durable plastic, equipped with high-precision bearings. By sealed bearings there is no risk that the wheel block, occurs clearance or a squeak occurs.
Especially exclusive version with ceramic bearings minimizes rolling resistance, wear and maximizes efficiency.
Compatible to Shimano 9- and 10-speed and Campagnolo 11-speed circuits.
Enclosed plastic spacer for adjusting the roll width.
Color: white or light gray
Number of Teeth: 11
Contents: 2 rolls, plastic spacer