CeramicSpeed UFO Single Speed Track ChainPerfect for any racing enthusiast, the UFO track chain 1/2x1/8" use a lightweight and smooth chain to infuse any ride with around 2-5 additional watts. When it’s time to race, the extra power output keeps you ahead of the peloton and deliver unrivalled race performance.Features:Road SpecificShimano, SRAM and Campagnolo compatible10 or 11-speed depending on option selectedDesigned primarily for racing purposes116 LinksBuy CeramicSpeed from Chain Reaction Cycles, the World's Largest Online Bike Store.