Maximum drivetrain efficiency and ultra-low friction for 12-speed systems

Engineered for cyclists who demand the absolute peak of mechanical efficiency, the Ceramicspeed UFO Speed KMC X12 chain is a game-changer. Built upon a highly reliable KMC X12 base, this chain underwent Ceramicspeed's legendary UFO (Ultra Fast Optimization) treatment to reduce friction to an absolute minimum. It actively improves both the durability and performance of your entire drivetrain, delivering unmatched power transfer whether you are racing on asphalt or tackling rugged mountain bike trails.

• Ceramicspeed UFO Technology: Specially treated to eliminate surface friction and save precious watts.
• Wide 12-Speed Compatibility: Fits all 12-speed groupsets that are compatible with the KMC X12 standard.
• 126-Link Configuration: Provides an optimal length for a precise fit and straightforward installation on most frames.
• Dual-Discipline Standard: Designed to withstand the intense demands of both elite road racing and mountain biking.
• Enhanced Durability: Increases the overall lifespan and shifting precision of your entire drivetrain.