WUZEI Bicycle 13T Rear Derailleur Ceramic bearing Pulley MTB /Road Bike Guide Roller Idler rear derailleur transmission accessories
Name: Rear derailleur guide wheel
Material: Aluminum alloy. Bearing (ceramic)
Size: about 51 mm in diameter, total thickness 8.5 mm
Features: Ceramic bearing is durable, light weight, super-lubricated. 13 teeth bicycle rear derailleur. High-strength aluminum alloy with CNC processing, light and durable. Your bike essential accessories.
1x bike 13 tooth pulley + 4/5mm lining
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