The KMC Missing Link Reusable Chain Connector is the perfect emergency repair link for your tool kit.
The Missing Link is the joining method for KMC chains. It can also be used to join SRAM chains. The link is hassle free, quick, safe and easy to install. An opening tool is required. Conveniently, they are a double sided design.
Please note that while the 6/7/8, 9, and 11 speed Missing Links are re-usable, the 12 speed Missing Links are non-reusable.