The Dunlop Q5S 140/70ZR17 66W Rear Tire is a premium hypersport tire engineered for aggressive street riders and track-day enthusiasts. Designed as the evolution of the renowned Q5, the Q5S features a revised tread pattern and advanced carbon-black/silica compound to deliver maximum grip, stability, and predictable handling in both wet and dry conditions. Its optimized sidewall construction improves cornering confidence, while the high-performance carcass ensures precise feedback under braking and acceleration. Perfect for lightweight sportbikes and riders who demand race-bred performance with street versatility.