Avid Matchmaker X The Avid Matchmaker X will clean up your cockpit by integrating an Avid disc brake lever with SRAM trigger shifters, Rock Shox XLoc, and Reverb remote assemblies. Compatible with XX, X0, X9, Elixir CR Mag disc brakes, and SRAM Matchmaker-compatible shifters. Manufacture Part Numbers: 00. 5315. 018. 030 (pair), 00. 5315. 018. 040 (left), 00. 5315. 018. 050 (right) | Avid | Matchmaker X | Black | Pair