Shimano Y5X998150 RD-6700 Tension & Guide Pulley Set :: £12.30 :: Components. :: Gears Rear - Spare Jockey Wheels 9/10/11 Speed :: For Hand built bike wheels & all your cycling needs!
Shimano Jockey Wheels Pulley Set for Ultegra RD-6800 | BIKE24
Shimano Ultegra Xt Saint Pulley Set Bike Rear Derailleur Suitable For 6700 M772 M770 M810 6500 6600 M750 M760 M800 M805 C910 - Bicycle Derailleur - AliExpress