Shimano DYNA-SYS RDM772 / RDM773 XT Jockey Wheel Pulley Set - Y5XF98060. Jockey Wheel Pulley Set. Suitable for RDM772/RDM773 XT Rear Derailleurs. 11 Teeth per each wheel. Life Is Better On A Bike. We suggest only trying shoes on carpet so no marks will be applied to the shoes.
