Description
- 13T MTB Ceramic Bike Rear Derailleur Jockey Wheel Pulley Road Bike, Black
- Structure: ceramic bearings Material: aluminum alloy 7075
- Apply for most rear derailleur in the market, support 7/8/9/10 speed Transmission for a bicycle, stainless steel bearing for ultra durability
- Tips: Please choose the same size with original pulley. If it is not the same zie, choose the smaller type than original one.
- Note: 1. Transition: 1cm=10mm=0.39inch, 2. Please allow 1-3mm error due to manual measurement. please make sure you do not mind before you bid.
13T MTB Ceramic Bike Rear Derailleur Jockey Wheel Pulley Road Bike, Black
