Quote:
Originally Posted by bandit86
If A tire does not like to flex much would that not mean it should have lower rolling resistance? ..........
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Sorry, but no. The fact that it doesn't like to flex - and the load on the tire is going to force it to flex - means that there will be more internal heat generated - and that's RR.
Quote:
Originally Posted by bandit86
.....What about siping, does that make a difference?
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The difference is small enough to ignore.