Blimey, sounds like a severe blowout! Lucky you managed to stay in control / weren't doing 100mph at the time....
Thanks for the first part of your reply Ed.Ed said:In all seriousness though does anyone know when it's a good idea to get rid of tyres due to their age; my rear B391s have 5 years and 45, 000 miles on but still have a lot of tread.