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Can motorcycle tires cup in as little at 1 month / 300 miles light riding?



I recently borrowed a bike and upon return was charged for new tires. They claimed that I cupped them. I rode very little and low speeds.

They can cup from a variety of reasons but have found low fork fluid in one fork, yes rear wheel alignment, if some one crashed the front end you can test the forks in the triple tree, hit a curb and bent the rim (usually in spoke rims), and bad underinflation, if the bike has bias ply tires (Harley, and some mainstream imports) then underinflation will go un-noticed. tell them you want to see the original paper work that shows the tires to be in good condition BEFORE you burowed it BTW how did some place lend you a bike thats a real trusting place unless thats why they lend bikes to get bogus fees later.
Sounds bogus to me, unless you were doing a lot of deliberate skidding around, or the tires were noticeably underinflated.
Tires can cup if your alignment is off, and motorcycles do need alignments. or if the shocks are bad and the tire skips causing scuffs which turn into cupping.
Something wrong with the bike , methinks.
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