The KMC X12 EPT EcoProteq chain features a specialized rust protection treatment that provides less noise, great performance, and maximum rust resistance.

- EcoProteq treatment delivers maximum rust resistance
- Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting
- Mushroom riveted pins for the highest pin power and allows shifting under heavy loads
- Non-directional
- Compatible with SRAM 12-speed systems