Bicycle Chain SUMC 10S 11S 12S Chains Mountain MTB Semi-Hollow Rainbow Boxed 11-speed crossing color half hollow / strip_Half-hollow

Description

This surface is very hard and super smooth, not only will the chain remain a colorful chain, it is also less susceptible to dirt, easier to clean and therefore retain it's function much longer than regular chains. Compatibility: The chain can be used with 9S,10S,11S,12S.