Features1It is easy to disassemble and assemble, convenient for maintenance, it can be put in the backpack as a spare. 2The chain link has a service life, it is recommended to disassemble and assemble no more than 5 times. 3Convenient installation, reducing dead knots and chain breaks caused by improperly driven chain pins. 4Made of high quality steel with fine treatment and accurate machining, robust, antioxidant and durable. 5Suitable for mountain bike, road bike and others bike with 11 rows teeth rear flywheel.Specificationtem Type: Bicycle Chain LinkMaterial: 50# SteelColor: As Pictures ShownWeight: Approx. 25g/0.9ozQuantity: 10 pairSpecification: 11 speedFunction: quick disassembly bucklePackage List10 Pair x Bicycle Chain Link