Shimano Tourney 6/7/8 Speed Rear Derailleur Jockey Wheels Pulley Set. Shimano RD-5700 Pulley Set 9/10 Speed 11T Jockey Wheels DEORE XT 105 MTB Bike. Shimano Pulley Set RD-M2000, M370 - Jockey Wheels, 11T for Altus 7/8/9 Speed.
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