11T Bicycle Rear Derailleur Jockey Wheel Ceramic Bearing Pulley CNC Road Bike Guide Roller New,Black NO5113

Features:

1. Aluminum alloy guide wheel body and steel bearing, lightweight and durable.

2. Fit for 4/5/6mm roller screw shaft with the screw shaft adapter.

3. The steel bearing has good performance than plastic ones, rolling smoothly, low chance of getting chain stuck. A must-have replacement part for your bike.

4. A must-have replacement part for your bike.

5. All the results of the simulations and the experimentations indicated that the ceramic ball bearings\' performances are very good, especially in the low load and high-speed environment.

Size:11T

Structure: Ceramic bearing

Material: aluminum alloy

Fit for 4/5/6 MM roller screw

Apply for most of rear derailleur on the market

Notice: Actual color may be slightly different from the image due to different monitor and light effect.

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