Description:

Material:auminum alloy
Diameter: approx. 50mm/2inch
Total Capacity: 13T
Structure:ceramic bearings
Come with two asial ceanter
Fit for 4/5/6 MM roller screw axis
Apply for most of rear derailleur on the market, support 7/8/9/10 speed

Package Includes:

1 Piece Bicycle rear derailleur pulley wheel
2 Pieces Asial Ceanter

Note:

Please choose the same size with the original pulley. If no totally same, choose the smaller type, never choose the bigger than original ones