Description:

Premium aluminum alloy 11T bicycle jockey wheel rear derailleur pulley with fully sealed bearing, lightweight, sturdy and durable

Used on rear derailleur for chain transportation and speed changing

A replaceable 4mm bushing is included (the 5mm one is configured), easy to install and convenient to use

Universal for MTB road mountain outdoor bike bicycle

Great replacement gear accessories for bike cycling enthusiasts

Specification:

Material: Aluminum alloy

Outer Diameter: Approx. 40 mm/1.57 inch

Bushing diameter: 5mm / 4mm

Color: Black, Red, Gold, Blue for you choose

Package Includes:

1 Piece Bicycle Rear Derailleur Pulley

Note:

Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!