5 Pairs Bike Chain Quick Links MTB Chain Missing Quick Connector To Connect Main Link Speed 6 7 8 9 10 11 Bicycle? Part Features: *1.It is recommended to use the quick release tool, the quick release can be reused, limited to 3-5 times, the quick release must be replaced when the chain is replaced. *2.Simple, fast and convenient. *3.The speed of identifying the chain and the magic buckle is to see how many rows of teeth on the rear flywheel, 7 rows is 7-speed, 9 rows is 9-speed, and so on. *4.Simple disassembly, convenient maintenance, cleaning the chain, convenient installation, reducing dead joints caused by improper driving of chain pins, broken chain magic clasps all have service life, it is recommended to disassemble and disassemble no more than 5. Specification: Product Name: Magic Buckle Number of products: 5 pairs Applicable models: 6 7 8 9 10 11 speed mountain bike Material: metal Product List: 5 pairs of chain magic buckle Reminder: 1. All pictures have been professionally calibrated, but due to the ambient light and different display device settings, there may be some deviations in the pictures and items themselves. 2. The data is manually measured, there may be some deviations, but it does not affect the use.