• Well that's kinda what I'm saying, I can't see 23 being faster, but we still talk about 'compromise' between speed and comfort when discussing wider tyres.

  • we still talk about 'compromise' between speed and comfort when discussing wider tyres.

    There is a compromise. You're only considering rolling resistance. 42mm tyres are significantly less aero than 23mm and this will be a not insignificant drag at higher speeds.

  • 42mm tyres are significantly less aero

    Ok that's fair. I guess it's a different game if you're talking that level of optimisation. I average like 20kmh on long stuff, party pace and all that eh.

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