Aluminum Alloy Bike Derailleur Pulley Bicycle Guide Wheel Pulley (Black 13T)

Specification:
Origin: Mainland China
Main body material: 7075 aluminum alloy main body + steel bearing
Specifications: 11T/13T
Product packaging size: about 91x68x9mm
Product net weight: about 10g/11g
Diameter of middle hole: 6mm
The inner diameter of the two reducing sleeves: one with an inner diameter of 5mm, and the other with an inner diameter of 4mm (generally, one reducer sleeve is installed in the guide wheel by default)
Applicable: Compatible with most rear derailleurs on the market

Guide wheel selection principle:
1. It is preferred to use the same size as the original guide wheel; if there is no same, you can choose a smaller than the original guide wheel, but you cannot choose a larger one;
2. There is no distinction between the guide wheel and the tension wheel, but the size of the original guide wheel and the tension wheel of some rear derailleurs are different, and they can also be replaced with the same size, and the length of the chain needs to be readjusted.

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Rear Derailleur Pulley
2 x Reducing Sleeve (generally a reducing sleeve is installed in the guide wheel by default)