1 pair of Shimano jockey wheels for their XT RD-M773 Dyna-Sys rear derailleurShimano Code: Y-5XF 98060Sold as a pair 1 x Upper and 1 x Lower. - 247cycleshop.com
TACX Jockey Wheels for Campagnolo 8 9 and 10 speeds | Alltricks.com
1 pair of Dyna-Sys compatible Shimano 11 tooth jockey wheels for Deore RD-M593 & SLX RD-M663 rear derailleur'sShimano Code: Y-5XU 98030Supplied as a pair. 1 x Upper and 1 x Lower -
Campagnolo 10 Speed Jockey Wheels – Condor Cycles
BBB RollerBoys Jockey/Pulley Wheels Wheels Black 10T BDP-01