KMC DLC 12 Chain - 12-Speed 126 Links Black. The KMC DLC 12 Chain is perfectly designed for an outstanding riding experience. The DLC coating provides a super smooth surface for optimal stability.

The diamond-hard surface provides ultra-smooth control

This chain is super lightweight with its patented chain configuration

High rigidity allows for quick response and higher efficiency

Double "X" bridge shape allows for precise gear shifting

Inner and outer plate chamfering provide accurate and expeditious shifting

Titanium Carbon Nitride coating provides extreme hardness and increased smoothness