KMC DLC 12 Chain – 12-Speed 126 Links Black/Blue. 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

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