Description:

Made of aluminum alloy, lightweight and durable.
Ceramics bearing, super lubricating, noiseless.
Apply for most rear derailleur of 12 teeth in the market.
Setting for 4/5/6mm spindle shaft rollers, support 9/10/11 speed.
Comes with one 5mm and one 4mm bolt

Specification:

Material: Ceramic and Aluminium alloy
Pulley Wheel Size(Diameter): approx. 5cm/1.97inch
Color: black,red,blue,golden

Package Includes:

1 Piece of Ceramic Bike Jockey Wheel
2 Pieces Bolts

Note:

Please allow slightly difference due to manual measurement.

Color may be slightly different since different monitor. Thanks!