Designed for Shimano CUES 9 to 11 speed E-Bike systems, this chain delivers a smooth and decisive shifting performance no matter what. Designed with a special plate technology for wider cog teeth that reinforces the efficient shifting. The EPT protection brings outstanding anti rust defence and is super easy to clean. This chain delivers a smooth and decisive shifting performance no matter what. Designed with a special plate technology for wider cog teeth that reinforces the efficient shifting. X-Bridge The KMC X-Series has been designed with the specific characteristics of the Shimano, SRAM and Campagnolo systems in mind and will meet the most demanding requirements. Elaborately designed and manufactured, the X-Bridge technology, thanks to precisely chamfered plates, allows a smooth propulsion and perfect gear changes in all driving situations. The X-series is trusted by many top athletes in professional cycling. Specification Highest pin power: Unsurpassed riveting geometry. Double X Durability. Plate chamfering: Accurate Shifting. 1/2" x 11/128". Pin length: 5.65mm. Compatibility: Shimano CUES 9 - 11 Speed. Suitable for: MTB, Cyclo-cross and trekking. Please note: These chains are only compatible with Shimano CUES. Not compatible with Shimano HG.