Bicycle Rear Derailleur Pulley Guide Wheel Steel Bearing 11T/13T/15T Bicycle Alloy Guide Wheel Mountain Road Bike Parts

Features: *1. The main body is made of high-strength aluminum alloy, and the surface is anodized to prevent surface and oxidation. *2. The deep tooth design fits closely with the chain, reducing chain wear, not easy to fall off, and providing efficient transmission. *3. Using steel bearings, self-lubricating and maintenance-free, stable rotation, high transmission efficiency, and labor-saving riding. *4.  aperture is 6MM, and the shaft can be converted to 4MM or 5MM, which has good adaptability and high lubricity. describe:  *1. Material: Aluminum alloy *2. Bearing: steel bearing *3. Color: Black, Red, Blue, Gold *4. Diameter: 11T: 42mm, 13T: 50mm, 15T: 59mm *5. Thickness: 5.1mm *6. Weight: about 10g/10.7g/12.4g Guide wheel selection principle: *1. Try to choose the same size as  guide wheel. If there is no identical one, you can choose a guide wheel smaller than  one, not a larger one. *2. There is no difference between the guide pulley and the tension pulley, but some of  guide pulleys of the rear derailleur are different in size from the tension pulley. They can be replaced, but the length of the chain needs to be readjusted. Package Contents: guide wheel screw Reducer sleeve

Material: 100% Stainless steel

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