*This step kit is exclusively for bike equipped with Honda's genuine Quickshifter. *Not compatible with other manufacturers' quickshifters, except 2020 model CBR250RR. *HRC specified dimensions for the change arm. *When race cowl is installed, it may interfere with the cowl. If it does, please modify the cowl to meet race regulations. *This product has not been tested with the stock cowl. *Depending on the settings of the race bike, the computer shift pattern may need to be reset. Please check the settings of your bike before riding. *When changing gears, the change arm must be installed in the opposite direction. *The step bar in the installation image is not compatible with the product. *The step bar in the installation image is different from the step bar included in the product, and the optional works racing step bar is installed. *Please note that there may be changes to the product specifications due to manufacturer's circumstances. Please be forewarned.