KMC X-FLAT EPT Waxed Flat-Top chains are specifically designed for modern SRAM 12/13-speed AXS or Transmission/T-Type drivetrains and are characterized by their distinctive flat top profile. This design allows for a narrower chain while still providing high strength and durability. This chain features KMC's EcoProTeQ (EPT) coating that surpasses a 650 hour salt spray test to offer outstanding anti-rust defense for worry-free operation. In addition, these premium KMC chains treated with their KMC GO WAX from the factory offer high efficiency and unrivaled durability. Don't spend extra time waxing your new chain at home, buy a KMC X-Flat EPT flat-top EcoProTeQ coated pre-waxed chain, skip the mess, and go ride your bike!Compatible with SRAM's 12-/13-speed AXS drivetrains or Transmission/T-Type drivetrains (Not compatible with other 12-/13-speed systems or older SRAM groups)EcoProteQ (EPT) anti-rust treatment provides maximun rust resistance and low noiseThanks to the innovative formula of KMC GO CHAIN WAX, the premium KMC chains treated with their wax from the factory offer high efficiency and unrivaled durabilityWith Double X Bridge construction, these chains increase shifitng precision and shifting speed - Smooth, fast, and accurateRamps are specifically engineered with inner and outer link chamfering to engage with your chain rings and cassettes quickly and provide smooth shiftingGet more miles with KMC extra strength high-pin-powerItem SpecificationsChain Connection TypeSingle Use Master LinkColorSilverDefined ColorSilverDrivetrain Speeds12Drivetrain Speeds13Half Link ChainNoLinks126Weight253 KMC X-Flat EPT Waxed Chain Chains UPC: 766759712075