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Old 07-24-21, 05:47 PM
  #16  
Rolla
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Originally Posted by nrsmd
Assume tires with a rolling resistance of 20 watts. Now replace with tires with a rolling resistance of 10 watts. What speed increase, if any, can I expect all things being equal?
Originally Posted by HTupolev
a bike+rider with a CdA of .32 previously doing 20mph on level ground, you'd see somewhere in the neighborhood of a .8mph increase in speed at the same power.
Originally Posted by PeteHski
If you know the CRR coefficients for both tyres I could give you a fairly accurate estimate of their relative performance.
Originally Posted by GhostRider62
Going from 20 watts to 10 watts implies a 50% reduction in Crr.

You all have no idea how comforting it is to know that these are matters which I will never spend a single second of my life considering.

Seriously -- and this isn't snark -- I thank you for reminding me of the sheer, simple pleasure of just going for a bike ride!
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