SUMC Bike Chain 9 10 11 12 Speed Bicycle Variable MTB Mountain Road SX9EL colorful

Description

High performance plating technology. The various shifting chains for 6/7/8/9-speed transmissions are compatible with SHIMANO and SRAM systems and are more cost effective than KMC. In the chain design, the surface is made of TI-CN coating with high wear resistance technology. This pin uses GLC self-lubricating advanced technology. Make the chain more wear-resistant, harder, smoother, easier to maintain, and the movement of the upper and lower chains is easier and smoother!