About this product
Sports Equipment TypeAccessories
Age GroupAdults
Length43.6mm
Weight11g
Warranty DurationNo
Country of OriginMainland China
Warranty TypeNo
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