For Shimano Kmc 12 Speed Sumc Sx12sl Light Mtb Road Bicycle

Brand: Sumc

Model: Sumc SX12SL 126 Links 12 Speed Rainbow series

Selection of high-quality materials makes riding safer and more reliable, and improves durability.

Super light weight 
            
Classical Fast- Shifting Consturstion
            
As for the construction itself, SUMC employs a double X-construction with inner and outer plate chamfering to deliver smooth and fast shifting across the entire cassette.
            
12 speed 126 Links chain

Perfectly compatible with KMC ,SHIMANO, Campagnolo, Sram and other drivetrain systems
Feature:

Chain for smooth, precise shifting and long wear life Ti-Nitride coating reduces friction and improves durability X-shaped designed with inner & outer chamfering offers smooth, fast shifting Mushroom riveted pins aslo provides excellent pin power.

Quick Connector link allows simple installation and adjustments Compatible with all popular mountain and road drivetra