Tire - Sport Force+ - Rear - 140/70ZR17 - 66W Special versatile compound designed to reach optimal service temperature extremely fast, at all lean angles, Designed to be a safe and predictable choice for every day riding on paved roads, For the amateur or expert rider looking to have fun with predictable safety, Has good silica content to ensure wet grip performance, Outstanding handling characteristics, For track use it is using tire warmers for at least 50 min @ 176°F and to follow the hot and cold pressure guidelines until you find pressure combination for your motorcycle, track conditions and riding style., for supersports, sports naked and street naked motorcycles.