Before I switched to Powergy, I had great luck with Bridgstone Turanza ER300 tires. Because of its advanced age, I've decided to replace it. I paid a bribe of 8100 for a 225/45 R17 balloon tire with free installation and an extended guarantee. I didn't leave for a whole month, and then I had a hernia pop out the side after I hit a pothole doing 35 kilometers per hour. Since the sidewall is so flimsy, I've decided to see how the lifetime guarantee functions. In theory, you should fix or replace them.