Description:

12T anodised CNC machined aluminum alloy bicycle jockey wheel with fully sealed bearing

Ceramics bearing, super lubricating, noiseless.

Positive and negative tooth guide wheel inhibit the horizontal chian swing effectively for accurate speed

Apply for most mountain/road bike rear derailleur of 12 teeth in the market

Support 7-11 speed and 4/5/6mm spindle shaft rollers

Specification:

Material: Ceramic and Aluminium alloy

Pulley Wheel Size(Diameter): approx. 5cm/1.97inch

Color: black,red,blue,golden (Optional)

Package Includes:

1 Piece Bike Rear Jockey Wheel

2 Pieces Spindle Size Reducing Bushing (4m&5m)

Note:

Please allow slightly difference due to manual measurement.

Color may be slightly different since different monitor. Thanks!