21. They presented compelling evidence that these were radial tire fragments. 22. They blame prominently the circuit's switch to steel-belted radial tires . 23. In 1946, Michelin developed the radial tire method of construction. 24. Air conditioning, radial tires , an AM / FM radio, and power brakes were optional. 25. The concern was over racing with Goodyear's new radial tire . 26. Standard are 17-inch, 21-spoke cast-aluminum wheels with all-season radial tires . 27. Those wheels held Goodyear GA P195-60HR14 radial tires , which work well in all conditions. 28. It was also the first to use radial tires , which were provided by Michelin. 29. The GSR was also somewhat lower than its counterparts, due to radial tires being fitted. 30. Prior to the sale, BFGoodrich was the first American tire manufacturer to make radial tires .
