11T 13T Steel Bearing Bicycle Derailleur Pulley Wheel for Mountain Bike Parts

Zipp Hub End Caps - 177, Rear Disc Brake, QR, Rear Axle Conversion 11 speed

11T 13T Steel Bearing Bicycle Derailleur Pulley Wheel for Mountain Bike Parts

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

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

Zipp 176/177 11-Speed Rear Hub Endcaps for QR x 130mm Axle, Works for All

11-17T Wheel MTB Ceramic Bearing-Pulley Road Bike/Bicycle Rear Derailleur