Quote:
Originally Posted by jer
What's everyone doing with these repro bias plys when they get 6 or 7 years old? I've never had vintage bias plys delam or do crazy stuff like modern radials. Never researched as to just why new rubber does this, but even vintage radials seem to last forever.
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Keep rolling with them!!
As for why the modern rubber goes away… no specific answer, but there are more synthetic materials used and less true rubber…. Longer mileage, less rolling resistance, better fuel mileage…