Hoosier Racing Tire A7/R7

Hoosier Racing Tire A7/R7 The Hoosier Racing Tire A7 & R7 where specifically design and engineered for competitors in autocross, time trial and hillclimb events in dry conditions. The Hoosier Racing Tire DOT A7 & R7 are Racetrack and Autocross tires ONLY. Not intended for highway use. A7 & R7 incorporate a new tread compound designed to extend wear and useable heat cycles, as well as experience less "fall-off" during a long run and less degradation over the life of the tire. The tread compound is molded into a slick tread design interrupted only by five-dash circumferentially oriented grooves alternating outboard and inboard.  The tire's internal structure features a symmetric construction that uses two lightweight steel belts reinforced by a spirally wrapped circumferential nylon cap ply under the tread on top of two nylon cord casing plies. It features a rim recess design on all sizes. Additionally, its symmetric tread design and internal construction allows the tire to b