KMC X11 11 Speed Super Light ChainDesigned for smooth and precise shifting, the X11 11 Speed Super Light Chain from KMC has been created with Road and MTB (mountain bike) riders in mind. Incredibly durable, this chain is compatible with Shimano, Campagnolo and SRAM 11 speed derailleur systems.Features:Use: MTB, RoadSpeed: 11 speedSize: 1/2"x11/128"Pin Length: 5.6mmCompatibility: Shimano, Campagnolo and SRAM 11 speed derailleur systemsTop-PerformanceDouble X-DurabilityNon-DirectionalWeight: 242g (approx)Buy KMC Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.