Sitting on the M4 east at the 80 k sign Just as it turns into the n4. Luckey to be upright. Suddenly lost all air rapid deflation. co2 gas canister making no difference going to need a new tyer I'd say. No sign of any damage. Should be interesting to see what's what with it. Thanks to all those who stopped or slowed down. Waiting for recovery. I'll keep yous up to date. JJH