KMC's X12 chain offers the best shifting performance, easy and safe assembly with a missing link, outstanding durability, and lightweight. KMC X12 series offers great advantages to your Shimano or SRAM 12-speed system.
One Chain for All｜100% Compatibility On All Leading Derailleur Systems
Asymmetrical Chamfering Avoids Interference
Added Chamfering for Smooth Operation
Impeccable Precision｜Phenomenal Shifting Performance