The newest in the SP range of quickshifters is this CGS4 unit , with kill time settings for both high and low RPM threshold , most quickshifters will only be able to work high in the rev range. Adjustment / setting is very easy all that is required is a small flat head screwdriver and the dials are set as required all is explained in the instruction details provided. The kit consists of a single electronic control unit, an electromechanical sensor to be applied on the rod gear or directly on the lever depending on the application and from a Plug&Play wiring connected on the OEM harness of the motorcycle, specific for each model of motorcycle without any wire's cutting. Full fitting instructions provided. . Many more fitments available, please contact us for details. Fitment for RXV/SXV 450/550 2006-2011