Run flats - talk tah meh!

NVP

NVP

NVP

Soldato
Joined
6 Sep 2007
Posts
12,804
Are run flats more susceptible to deformation and blow outs (not excluding punctures) than non-rf tyres?

I ask as I've had more go in the last couple months than I have over previous years and the only difference is they are RF's.

Reading around it appears many Goodyear run flat owners encounter bulging, is this just a Goodyear thing perhaps? as I cannot find many reports of other brands. Or is it a Run flat issue due to design?


From the design difference alone, I can't see why they would be weaker - but from real world examples they do appear that way...
 
You'd have thought they would be less susceptible due to having stronger/thicker sidewalls. This is my Goodyear runflat after going over a pothole the other day (big bulge on the sidewall along with the split):

FREEzil.jpg
 
Another blown Goodyear fitting the trend.

You would expect them to be more resilient but they do not appear to be.
 
funny i had a bulge in a continental runflat, replaced them with ps3's because i like having an intact spine.

didn't think it was a common issue just bad luck.

never had an issue with non run-flats, hell even a 1/4" bolt couldn't kill them
 
Not sure if I was lucky, never really experienced a proper flat before tbh, but I must've done about 50 miles with the majority of that at 70mph on a Michelin PS4 that had no pressure in.

Rim was fine and tyre only had signs of damage once it was blown back up, was pretty much squared off at the edges.
 
I had a Goodyear Excellence RFT bubble on my car a couple of years ago. No known pothole was driven over and it was sent for a warranty query which was declined.
 
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