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My General G-Max with 30k miles has the direct opposite wear pattern of your Michelin Alpine. The Max has scalloped outer edges whereas you Alpine appears to have plenty of "meat" on the outer tire edge. Guess that might be relevant wear between my Max, a non-runflat and your Alpine RF. Had the pressure at 42/43psi for the life of the tire as it has but a single ply side wall and was subject to some "squirm" at any lower pressure. My 250lb weight may had a factor in overall wear