Connex 12 speed Quick Release Reusable Chain Link In Black | SRAM Shimano KMC

Connex Link QRs are supplied as standard with all Connex Derailleur chains and are available in 12, 11, 10, 9 and 8-speed versions. Connex Link 12 QR is compatible with most 12-speed chains, except SRAM Flat-top.