Quality 1 speed chain.The Z1 WIDE chain is a 1 speed model dedicated for single speed bikes. Compatible with Sram and Shimano chains Chamfered inner plates reduces noise DETAILS116 links1/2" x 1/8" BUYERS OPTIONSColour: brown/brownINCLUDESSpare chain linkInstruction manual COMPATIBILITYShimano compatible with ALFINE/ NEXUSSram compatible with AUTOMATIX