Given that you usually pump new tyres up to a decent pressure when you set them up, I'll go out on a limb and say your old ones were just not pumped up as hard by the time you removed them. No way you'd feel the difference in 3mm all else equal
No way you'd feel the difference in 3mm all else equal
It's a 25% increase in air volume. That's a significant increase.
your a... 25% increase in air volume
And more volume = faster does it?
@Brommers started
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Given that you usually pump new tyres up to a decent pressure when you set them up, I'll go out on a limb and say your old ones were just not pumped up as hard by the time you removed them.
No way you'd feel the difference in 3mm all else equal