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Re: Shaved Legs = 15 watts? [MITaerobike] [ In reply to ]
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Pics of the pre-shaved condition? Just trying to put the Chewbacca scale in context :-)

http://bikeblather.blogspot.com/
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Re: Shaved Legs = 15 watts? [Timtek] [ In reply to ]
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Timtek wrote:
ollie3856 wrote:


To reiterate the results. 50-80" seconds over 40k. Wow.

Shit. Now I have to start shaving my legs. Goddammit.
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Re: Shaved Legs = 15 watts? [MITaerobike] [ In reply to ]
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Hello MITaerobike and All,

How about some data on shaving arms and cutting off the pony tail?




Cheers,

Neal

+1 mph Faster
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Re: Shaved Legs = 15 watts? [MITaerobike] [ In reply to ]
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Unbelievable. I had to look at this several times to make sure it wasn't a joke. As a guy with fairly hairy legs, I'm shaving for my next TT and triathlon. But I'm still showing up to the weekly roadie group ride with my hairy legs...


MITaerobike wrote:

and honestly, we tested the hell out of this. Didn't believe it everytime and then the results kept showing up. 6 athletes up, consistent results regardless of hairiness or rider position. See below. And the 2nd graph is has total drag percentage of complete system on the Y axis...it's nuts how much this matters.




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Re: Shaved Legs = 15 watts? [MITaerobike] [ In reply to ]
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Any idea if calf compression sleeves would have a similar effect to shaving when worn over hairy legs?

Or if compression sleeves are faster or slower then shaved legs?
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Re: Shaved Legs = 15 watts? [AG] [ In reply to ]
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Just shave, it looks 100 times better as well.

Endurance coach | Physiotherapist (primary care) | Bikefitter | Swede
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Re: Shaved Legs = 15 watts? [BrentwoodTriGuy] [ In reply to ]
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I had always hoped this was bullshit because i don't want to shave my legs :(
Sad day
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Re: Shaved Legs = 15 watts? [mortysct] [ In reply to ]
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mortysct wrote:
Just shave, it looks 100 times better as well.

After you done this for a couple of decades how it looks is not so important.
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Re: Shaved Legs = 15 watts? [tom1111] [ In reply to ]
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Now I know why so many women beat me in races.
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Re: Shaved Legs = 15 watts? [elburrito99] [ In reply to ]
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I always tho u could save some time but 1min is f'ing HUGEEEEEE

The entire event (IM) is like "death by 1000 cuts" and the best race is minimizing all those cuts and losing less blood than the other guy. - Dev
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Re: Shaved Legs = 15 watts? [nealhe] [ In reply to ]
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In all seriousness, how about the arms? Does that make as big a difference?
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Re: Shaved Legs = 15 watts? [MITaerobike] [ In reply to ]
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MITaerobike wrote:
Timtek wrote:
ollie3856 wrote:


To reiterate the results. 50-80" seconds over 40k. Wow.


and honestly, we tested the hell out of this. Didn't believe it everytime and then the results kept showing up. 6 athletes up, consistent results regardless of hairiness or rider position. See below. And the 2nd graph is has total drag percentage of complete system on the Y axis...it's nuts how much this matters.

Thank you for publishing the testing like this! It's useful and well executed.

I mentioned this on the youtube vid, but if you guys know the aero penalty (if measurable) of wearing a watch on the bike it would be helpful to know.

-------------------
Madison photographer Timothy Hughes | Instagram
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Re: Shaved Legs = 15 watts? [fisherman76] [ In reply to ]
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fisherman76 wrote:
In all seriousness, how about the arms? Does that make as big a difference?


According to Jordan, yes.

Shaved Arms
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Re: Shaved Legs = 15 watts? [bwain] [ In reply to ]
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shaving EVERYTHING on race day to be on the safe side...

The entire event (IM) is like "death by 1000 cuts" and the best race is minimizing all those cuts and losing less blood than the other guy. - Dev
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Re: Shaved Legs = 15 watts? [nealhe] [ In reply to ]
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nealhe wrote:
Hello MITaerobike and All,

How about some data on shaving arms and cutting off the pony tail?




Cheers,

Neal

+1 mph Faster

Frontal pic would be very much appreciated.

Favorite Gear: Dimond | Cadex | Desoto Sport | Hoka One One
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Re: Shaved Legs = 15 watts? [GMAN19030] [ In reply to ]
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i hope she shaved the front...

The entire event (IM) is like "death by 1000 cuts" and the best race is minimizing all those cuts and losing less blood than the other guy. - Dev
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Re: Shaved Legs = 15 watts? [jackmott] [ In reply to ]
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Looks like I need to add a new setting to the model.

-----------------------------------------------------------------
Founder: BestBikeSplit
Amazonian
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Re: Shaved Legs = 15 watts? [elburrito99] [ In reply to ]
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Insane. Absolutely insane to see the #'s... Shaving your legs is completely free speed... Nuts. I think my wife would divorce me.

-Alex

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Re: Shaved Legs = 15 watts? [bostonalex] [ In reply to ]
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I think I'll start doing this for races. Just like swim team, the drag in training is no big issue. Maybe even helps. Then shave as part of the big race ritual to get your game face on.

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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Re: Shaved Legs = 15 watts? [ollie3856] [ In reply to ]
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ollie3856 wrote:

If I cut myself as much as the guy in the video I would skip shaving.
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Re: Shaved Legs = 15 watts? [asad137] [ In reply to ]
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asad137 wrote:

Shit. Now I have to start shaving my legs. Goddammit.

These are my thoughts exactly. I've never shaved my legs. Even as a competitive swimmer in high school I could never bring myself to do it. I'm not a very hairy guy so there is no way I would gain 15 watts, but even if it's only 3-4 I can't really pass that up. I have spent a lot of money and trained my ass off for those kinds of gains...
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Re: Shaved Legs = 15 watts? [endosch2] [ In reply to ]
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endosch2 wrote:
Now I know why so many women beat me in races.
x2

Swim - Bike - Run the rest is just clothing changes.
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Re: Shaved Legs = 15 watts? [dkidwell] [ In reply to ]
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Our tester who saved 50 secs had tall socks, low shorts (just above the knee), and had thin thin hair over the knee and upper lower legs.

That was a massive difference. I can confidently say that those with light leg hair thinking this doesn't apply to them need to believe this is as big of a difference as it is.

Arms we aren't very far on testing. We need a lot of data for this - TT and road positions will be very different. There's likely a difference but not as much as legs.

Mark

--
Mark Cote
MITAerobike
Specialized Bicycle Components
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Re: Shaved Legs = 15 watts? [MITaerobike] [ In reply to ]
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I am in a fetal position on the floor agonizing over all the TT's I lost by 5-10 seconds. And all the years I scoffed at all the conformist cyclists who made fun me for not shaving.
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Re: Shaved Legs = 15 watts? [dkidwell] [ In reply to ]
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dkidwell wrote:
These are my thoughts exactly. I've never shaved my legs. Even as a competitive swimmer in high school I could never bring myself to do it. I'm not a very hairy guy so there is no way I would gain 15 watts, but even if it's only 3-4 I can't really pass that up. I have spent a lot of money and trained my ass off for those kinds of gains...
Well, at least that's one thing you won't need to shave now. :)

-----
Two roads diverged in a wood, and I--
I took the one less traveled by,
Which is probably why I was registering 59.67mi as I rolled into T2.

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