To evaluate the differences between some of the latest run-flat tire designs, we took a look at a group of Ultra High Performance and Max Performance Summer run-flat tires. Tested were the Bridgestone Potenza RE050A I RFT (O.E. on BMW 3 Series), the Kumho Ecsta SPT XRP, Michelin Pilot Sport PS2 ZP and Pirelli Cinturato P7 RFT.
Read the full test report.
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