QUALITY GUARANTEE:If for any reason you are not completely satisfied with the purchase you have made, do not hesitate to email us, We will prepare you as soon as possible to solve any problems for you until you are satisfied.Bike Single Speed Chain Compatibility:This bicycle chain Compatible with all single-speed bike chains.Single Speed Chain Size:1/2 1/8 inches,total with 116 links.Bicycle Chain Single Speed Material:Bike chain made of special forging steel and repeated forging,durable and ensure the strength, anti rust and anti corrosion.Bicycle Chain Easy Install:you can the length according to the chain,cut out the length you want with a chain cutter.chain joints for the magic buckle, easy to disassemble, easy to clean, reusable.