Material The chain body is made of highcarbon steel which is more tough than lowcarbon steel The maximum tensile force is 850 kg Size The size of the chain is 1218 which is only suitable for singlespeed bicycles Length The chain has 116 links and the total length is about 14732cm which can meet the length required by most singlespeed bicycles Easy to install The package contains two quickconnect buckles which can quickly connect the chain and the installation is convenient Surface material The surface of the chain is wrapped by highquality paint which makes the chain not easy to rust bright in color and not easy to fade