10 Pair 11 Speed Mountain Chain Buckle Quick Release Cycling Connector Lock

It is easy to disassemble and assemble, convenient for maintenance, it can be put in the backpack as a spare. The chain link has a service life, it is recommended to disassemble and assemble no more than 5 times. Convenient installation, reducing dead knots and chain breaks caused by improperly driven chain pins. tem Type: Chain Link Material: 50# Steel Color: As Pictures Shown  Weight: Approx. 25gCelsius0.9oz Quantity: 10 pair Specification: 11 speed Function: quick disassembly buckle