Old 09-25-17, 07:41 AM
  #77  
bikebreak
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Originally Posted by woodcraft
Actually, that was overstated.

I figure 1/2 mph faster, & my example was 125 miles @ 15 vs 15.5 mph

Accidentally read 8.33 hrs (vs 8.065 hrs) as 8 hrs 33 minutes.

So 16 minutes saved.


That's a good speed for 125, but at 15mph you are not getting a lot of advantage from deep rims.
A 55mm rim will be much better at high speeds and give a much larger aero advantage, think 20mph vs 18mph. At least for my Easton ec90 55mm
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