11T/12T/13T/14T/15T/16T/17T Rear Derailleur Pulley, Bike Ceramic Bearing Jockey Wheel Aluminium Alloy Rear Derailleur Guide Roller 12T Black

Description:

Bike rear derailleur pulley is made of high quality ceramic bearing + aluminum alloy material, whcich is anti-rust and , sturdy and durable.
The inner ceramic bearing is ultralight and super lubricating, which can ensures its smooth working and provide you with a great using effect.
The rear derailleur pulley is used on rear derailleur for chain transportation and speed changing, which is a necessary accessary for .
Deep toothed guide wheel to reduce chain drop. Positive and negative wheel can effectively inhibit the horizontal swing of the chain, so that the speed is more accurate
Easy to install, included a screw and 2 replaceable 4mm and 5mm bushing to enrich your installation choices.

Specification:

Material: Aluminum Alloy, Ceramic Bearing
Size:
11T - 41.4mm/1.63inch
12T - 50mm/1.97inch
13T - 50.7mm/2inch
14T - 58mm/2.28inch
15T - 59.7mm/2.35inch
16T - 68mm/2.68inch
17T - 66.8mm/2.63inch

Package Includes:

1 Piece Bike Rear Derailleur Pulley Wheel

Note:

1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-3mm differences due to manual measurement.