11T 13T Bicycle Derailleur Pulley Steel Bearing Jockey Wheel MTB Road
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.
11T 13T Bicycle Derailleur Pulley Steel Bearing Jockey Wheel MTB Road
Designed for smooth shifting, low friction, and long-lasting performance. Compatible with 4mm, 5mm, and 6mm rear derailleur systems. 11T about 11.4g, 13T about 13.7g. 11T about 11.4g. Being the fastest spinning bearings on your bike, an upgrade with our high-performance pulley wheels are an effective way to save energy or ride faster.