{"product_id":"mitas-sport-force-rs-rear-motorcycle-tire-140-70zr17-66w-part-number-70000004","title":"Mitas Sport Force+ RS Rear Motorcycle Tire 140\/70ZR17 66W - Part Number 70000004","description":"Tire - Sport Force+ RS - Rear - 140\/70ZR17 - 66W\n\u003cp\u003eThe Mitas Sport Force+ RS is a high-performance rear motorcycle tire engineered for riders who demand precise handling, strong acceleration grip, and dependable stability on the race track. This rear tire is sized 140\/70ZR17 with a 66W speed rating, making it suitable for supersport and sport naked motorcycles that use this fitment. Its W-rated construction is designed for speeds up to 168 mph when properly installed and used under appropriate conditions. The manufacturer is Mitas, and the manufacturer and vendor part number is 70000004.\u003cbr\u003eThe specially developed Racing Soft (RS) compound delivers strong traction during hard cornering and helps maintain confidence at extreme lean angles. Designed to operate at a service temperature of approximately 176°F, the compound supports consistent grip and predictable feedback during demanding track sessions. The Sport Force+ RS also provides excellent straight-line stability at high speeds, helping riders maintain control during braking, acceleration, and fast transitions. Its focused performance design makes it an effective choice for track-day use while remaining approved for use on public roads.\u003cbr\u003eFor closed-course riding, Mitas recommends using tire warmers for at least 50 minutes at approximately 176°F before entering the track. Riders should follow the recommended hot and cold tire-pressure guidelines and fine-tune pressure based on the motorcycle, track conditions, and riding style. As a rear fitment, this tire is intended to be paired with a compatible front tire and installed by a qualified motorcycle tire professional. Tested by Randy Krummenacher, the Mitas Sport Force+ RS is developed to help supersport and sport naked motorcycles achieve fast lap times with responsive handling, dependable grip, and race-oriented control.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eCompound: Specially developed Racing Soft (RS) compound provides high levels of grip and predictable performance during aggressive track riding.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHandling: Delivers precise cornering response and dependable grip at extreme lean angles.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStability: Designed for superb straight-line stability during high-speed riding, braking, and acceleration.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFitment: Rear motorcycle tire in size 140\/70ZR17 with a 66W speed rating for compatible supersport and sport naked motorcycles.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpeed Rating: W-rated for speeds up to 168 mph when properly installed and operated under suitable conditions.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUse: Built for race-track performance while remaining ready for use on public roads.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTrack Preparation: Mitas recommends using tire warmers for at least 50 minutes at approximately 176°F for track use.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart Number: Mitas manufacturer and vendor part number 70000004.\u003c\/li\u003e\u003c\/ul\u003e","brand":"MITAS","offers":[{"title":"Default Title","offer_id":49388412305643,"sku":"03021828","price":220.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/5688638.png?v=1789028934","url":"https:\/\/ctracingservices.com\/products\/mitas-sport-force-rs-rear-motorcycle-tire-140-70zr17-66w-part-number-70000004","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}