11T 13T Bicycle Rear Derailleur Pulley Wheel Made from High-Strength Aluminum Alloy with Hollow Core Design for Weight Reduction and Performance (13T(11T(red))
11T 13T Rear Derailleur Pulley Wheel for Bikes Featuring CNC Aluminum Construction Lightweight Hollow Design and Smooth Operational Feel (13T(13T (red))
CNC Aluminum Alloy Bicycle Wheel 11T 13T Rear Derailleur Pulley with Ball Bearings Lightweight Durable Anti Rust for Mountain Road Bikes Black Red Golden Silver (13T)
11T 13T Rear Derailleur Pulley Wheel Constructed from Anodized Aluminum Alloy for Road MTB and Bikes with Multiple Speed Compatibility (11T (11T(red))
ZenithAur Aluminium Alloy Wheel 11T / 13T Rear Derailleur Pulley for Mountain Road Bike Performance (13T)
Drfeify Alloy Rear Derailleur Bearing, CNC Aluminum Alloy Ceramic Bearings Bike Pulley 11T 13T Rear Derailleur Guide Roller, Suitable For 7/8/9/10 Speed (Blue