This pulley set offers different adaptors for Shimano 9/10s, Shimano 11s & Campy 11s Specification For 9,10 & 11 speed. Precisely CNC AL7075 Guide Pulley (up) & Tension Pulley (bottom) for better shifting and less noise. TBT Bearings. Colour options: red, gold, black, blue. Weight: 19g/pair.
Best Price: £67.49 from Merlin Cycles