IRC Blipper Quickshifter for KTM RC 390 (17-21) / Duke 390 (17-23) motorcycles with Strain Gauge sensor technology for street and track riding. Allows for Full Throttle Clutchless Up & Down Shifting. The IRC Components ELECTRONIC quick-shifter has a major advantage over other units in the market because it dynamically considers the RPM and Acceleration to modify the Cut Time ("T") and Pulses Power Progressively eliminating gear box shock (this means you can shift while cornering). The intelligent controller of the IRC quick-shifter is directly connected to the load cell; signal handling is extremely precise and controlled. Easy to install Plug & Play bike specific wiring harness and universal shift rod included. No laptop or flash tune required. Standalone System does not require a Piggyback Fuel Management System