Bike Jockey Wheel Bicycle Rear Derailleur Ceramic 12T Guide Wheel Black

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.
A necessary accessary for your bicycle.

Specification:

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

Package Includes:

1 Piece of Ceramic Bike Jockey Wheel
2 Pieces Bolts