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

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

Features:

*1. The main body is made of T6 high-strength aluminum alloy, and the surface layer is anodized to prevent the surface from rusting and oxidizing. 

*2. The deep tooth design closely fits the chain, reducing the chain wear, not easy to drop, and providing efficient transmiion. 

*3. Adopt steel bearing, which has self-lubrication and maintenance-free, providing smooth rotation, higher transmiion efficiency and labor-saving riding. 

*4. The aperture is 6MM, and the shaft can be converted into 4MM or 5MM, with good adaptability and high lubrication.

Description: 

*1. Material: aluminum alloy

*2. Bearing: steel bearing 

*3. Color: black, red, blue, gold

*4. Diameter: 11T: 42mm, 13T: 50mm, 15T: 59mm

*5. Thickne: 5.1mm

*6. Weight: about 10g/10.7g/12.4g

Selection principle of guide wheel:

*1. Try to choose the same size as the guide wheel. If there has not the same one, you can choose the one that is smaller than the guide wheel, but not the one that is bigger. 

*2. The guide wheel is indistinguishable from the tension wheel, but some of the guide wheels of the rear dial are different in size from the tension wheel and can be repd, but the length of the chain needs to be readjusted.

Package Content:

Guide wheel *1

Shaft *2

Wheel screw *1