Description:

Made of aluminum alloy, lightweight and durable.
Machined bicycle jockey wheel with fully sealed bearing for center bolt derailleurs.
Apply for most rear derailleur of 12 tooth in the market.
Setting for 4/5/6mm spindle shaft rollers, support 7/8/9/10 speed.
A rear derailleur needs 2 pulley wheels.

Specification:

Material: Aluminum Alloy
Diameter: 50mm/1.96inch

Package Includes:

1 Piece 12T Bike Jockey Wheel
1 Piece Bolt

Note:

Color might be slightly different due to the color calibration of each individual monitor.
Please allow slightly measuring deviation due to manual measurement.