RK OE upgrade chain and sprocket chain and sprocket kits contain a heavier duty RK chain than that supplied as OE on the motorcycle when new. They are supplied with high quality steel sprockets. Terms and conditions apply. Fitment Summary Compatible with 8 models (yearly). Honda: CBR600 RR7, CBR600 RR8, CBR600 RR9, CBR600 RRA, CBR600 RRB, CBR600 RRD, CBR600 RRF, CBR600 RRG. We will accept your request at our earliest opportunity. This includes Republic Of Ireland. Please do not ask us to lower the value of goods this is illegal and we do not want to get involved in this kind of activity.