Aluminum Alloy 11T 13T Rear Derailleur Pulley for Improved Ride Experience

Aluminum Alloy Bicycle Derailleur Pulley 10T 12T for MTB and Road Bikes

11T Rear Derailleur Pulley Aluminum Alloy CNC Guide Wheel for Accurate Shifting

CNC Machined Derailleur Pulley Aluminum Alloy Construction 11T Gear Design

CNC Machined Derailleur Pulley For Cycling For Bike Repair 11T Gear Design

Derailleur Pulley Aluminum Alloy Construction 11g Lightweight Seamless Structure

New MTB Road Bike Aluminum Ceramic Bearing Wheel Rear Derailleur Pulley

11T13T Rear Derailleur Guide Wheel Compatible with 4 5 6mm Screw Hole Diameter