Originally Posted by
John_V
Not sure where you heard this but I have taken a few courses on crash reconstruction that would certainly disagree with that statement.
And I most certainly don't know what you think you heard but tires wear dramatically faster with heavier riders. You can see it here for crying out loud - someone says that they weigh 150 lbs and get 10,000 miles on a tire and someone 180 lbs gets 2,500 miles on the same tire.