Quote:
Originally Posted by scalerman
21" run flats? I am going to assume then that they are a low profile tire. If so I would recommend that you get separate winter rims and tires. Low profile tires are subject to much higher stresses when mounting and have a much higher probability of sustaining some sort of bead damage making the tire inoperable. Mount them once and carry on, don't risk having them changed over several times.
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Run flats are tires that can support the weight of the vehicle with no air pressure for approx 100 clicks at reasonable speed just to get you to a area to safely change the tire or to a service station etc....if I was running winter tires and summer tires my winter ones would be on seperate rims...easy self switch out under an hour......