PHOENIX—Bridgestone/Firestone Inc. unveiled its second run-flat tire—the Firestone Firehawk SZ50 EP RFT with UNI-T AQ— on Feb. 9 at the Firebird International Raceway in Phoenix to about 50 auto trade press reporters. The SZ50 EP RFT is designed specifically for the Chevrolet C5 Corvette and is an upgraded version of the Firehawk SZ50 tire first introduced in 1996.
Available in two sizes—P245/ 45ZR17 and P275/40ZR18—the SZ50 EP RFT can run deflated for up to 50 miles at speeds up to 55 mph, BFS said.