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But isn't that only when accelerating? #notaphysicist
fizzy.bleach-
I don't think you're carrying much momentum going up a steep fucking hill.
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When you're climbing a steep hill you have very little momentum. Which is why it feels very different to the same Power output on the flat. So you constantly accelerate Your Wheels.
Seeing the pros use very low profil Wheels, on mountain stages, when their bikes are struggling to make the legal weight With semi deep rims. Is a good indication of this.
Smallfurry
The wheels are much lighter now, especially the rims, so rotating weight is reduced and that helps a lot.