11T 13T Bicycle Pulley Rear Derailleur Multicolour MTB Road Bike Wheel Guide Bea

Adjust the derailleur: Once you have installed the new jockey wheel, it may be necessary to adjust the derailleur to ensure smooth shifting. Apply for most of rear derailleur on the market. Remove the old jockey wheel: Locate the rear derailleur and remove the old jockey wheel by loosening the bolt that holds it in place.

ZTTO MTB Rear Derailleur Jockey Wheels 11T 13T AL7075 Bearing Pulley Set

ZTTO 11T/13T Bicycle Rear Derailleur Steel Bearing. Upgrade your drivetrain withZTTO CNC-machined AL7075 aluminum derailleur jockey wheels, available in11T and 13T sizes. Featuring smooth steel bearings and compatible with4mm, 5mm, and 6mm mounting bolts, these guide and tension pulleys reduce friction for improved shifting performance and drivetrain efficiency.