Which Tyres?

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PhilDAS in reply to @hippy

According to the internet 4 watts at 40kmh improvement on a 28c tyre, crucially at the same pressure as the equivalent 25c.
Probably negated by the worse aero, at least on the front, as you say.

Run them at a lower pressure and get some more comfort for no rolling resistance reduction sure, but noticeable increase in speed? Nah

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Netakure in reply to @PhilDAS

A 28c tyre pressure should be a fair bit less than a 25c to be equivalent. That's why at the same pressure they roll faster. A 28c at 90psi is absurdly hard, a 25c at 90psi is fine. Equivalent will be pumping the 25s to 110ish.
Armchair rant over, sorry

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PhilDAS in reply to @Netakure

Is that not what I said?
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CheBeef in reply to @Netakure

As per the rolling test, does not the result of tests say different?

Or is there a different real world result to lab?

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