The KMC E11 EPT is an e-Bike specific chain that s been treated with KMC s anti-rust treatment, EPT. Its compatible with all 11-speed derailleur drivetrains and delivers perfect shifting thanks to Double X-Bridge technology.Compatible with all 11-Speed derailleur systemsEspecially designed for e-Bikes with mid-motorsPerfect shifting thanks to Double X-BridgeEPT, Maximum anti rust protectionIncludes a Missing LinkModel: e11EPT - 1 / 2x11 / 128Pin length: 565 mm136 Links - Weight: 274 gTriple X-bridge design makes shifting faster and easierAnti-rust treated (EPT)EcoProTeQ technology, EPT from KMC protects chains against corrosion for twice as long as conventional rust protection and thus sets new standards. Each component of every chain link is treated separately with EPT. This means a 100% coating that offers the lowest possible attack by water, salt and air humidity.