what a great idea and presumably this means the warping we now have on all wheels with our 2 year old sports would not be a problem! Our tyres are constantly coming off the rims because of it. Very disappointing.

This is something that other brands have introduced as an improvement over the last couple of years. We have just switched to P&T as No 2 will be here soon - love Explorer, would definitely benefit greatly from foam filled tyres though.