IRC Components Up & Auto-Blipper Down Motorcycle Quickshifter for Aprilia RSV4 and Tuono V4 (APRC models only 2009-2016 AND all models 2011-2016) with "Strain Gauge Sensor" Technology. Allows for Full Throttle Clutchless Up & Down Shifting. MotoGP certified by Magneti Marelli state-of-the-art load cell sensor with both right and left dual "Magic" threads". 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 shift rod (M6-M6) included. No laptop required. Adjustable to allow the rider to customize settings making shifts seamless and smooth with bi-directional sensor that works in Push or Pull ("CE") for Standard or GP Shift. IRC Quick Shifters are Non-Homologated for Professional Closed Circuit Use. Sensors are certified to over 1,000,000 shifts and all kits are 100% tested for performance at the end of production. Made in Italy. Standalone System does not require a Piggyback Fuel Management System.