About this product
- Sports Equipment Type:Accessories
- Age Group:Adults
- Length:43.6mm
- Weight:11g
- Warranty Duration:No
- Country of Origin:Mainland China
- Warranty Type:No
Product description
All the results of the simulations and the experimentations indicated that the ceramic ball bearings' performances are very good, especially in the low load and high-speed environment.
Structure:steel bearing Material: aluminum alloy 7075
Color: Black, Red, Blue, green, Gold,purple,colorful
Fit for 4/5/6 MM roller screw axis Apply for most of rear derailleur on the market