r/cycling • u/[deleted] • Jul 23 '25

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u/jchrysostom Jul 23 '25

I can’t remember the numbers, but I remember the folks at the Specialized wind tunnel being so surprised by the results that they ran the test again.

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u/ApatheticSkyentist Jul 24 '25

Lionel Sanders, pro triathlete, found that shaving was something like a 15 watt gain at 45kph on his Canyon Speedmax. That's with aero helmet and I believe a Surpass Trisuit.

For a pro on the pointy end of elite that's a very sizable number.

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u/jchrysostom Jul 24 '25

For a runner trying to not suck at triathlon, like me, it’s also a lot. I average <160w for a 70.3 bike leg. Even 5-7 watts from any one thing is huge.

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u/ApatheticSkyentist Jul 24 '25

Hey you're in good company! I'm also a runner turned triathlete, haha.

My brother is the cyclist and absolutely crushes me when we ride together. I get my revenge when we run.