Quote:
Originally Posted by Racer Boy
Think about what the rear tire copes with while exiting a second gear turn - it's gripping the pavement while under (for our relatively low-powered) hard acceleration. As you exit the turn, you ride up onto to the curbing, which normally is not smooth; the curbing has a washboard design. The tire is going through a consistent grip/no grip action, experiencing a rat-a-tat-a-tat of forces to it's sidewall. The tire moves a tiny amount on the rim each time this happens. Do that enough times, and the tire ends up moving on the rim enough to notice.
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Hmmmm ... that's a good point. Had not considered that the vibrations could cause slipping.