12/13 speed, 1/2 "X 11/128", 126L, nickel plated, MissingLink connector, Flat-Top, waxed with KMC GO WAXED. The KMC X FLAT is only compatible with 12- or 13-speed AXS drivetrains and SRAM Transmission. It cannot be used with other 12-speed systems or older SRAM groupsets.

10 speed, 1/2 x 11/128, 5.88 mm, 50 m, 40 MissingLink connectors