General Discussion Triathlon Talk » Tri bike fit critique (on a road bike) Rss Feed  
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2013-08-25 12:37 PM

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Member
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Alexandria, Virginia
Subject: Tri bike fit critique (on a road bike)
Please critique my tri bike fit conversion for a road bike. I used a Profile Design FastFoward seatpost, and that setup reveals about an 81-degree angle at bottom, legs to torso angle of 104 degrees. I used to have my arms stretched out more for a sprint tri tuneup last weekend, but I brought it higher and closer because it was more comfortable to me. I'm using a road bike with the seatpost mod and the cip-ons because the upcoming tri I'm doing is hilly and would feel safer for out-of-saddle climbing if I need to.

Also visit http://makeagif.com/pMRNPjfor an animated gif of my fit.

Edited by pfadul 2013-08-25 12:39 PM




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2013-08-25 1:31 PM
in reply to: pfadul

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Expert
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Greenville, SC
Subject: RE: Tri bike fit critique (on a road bike)
im not a fit expert, but i fit myself to all my bikes. it looks pretty good. upper arm/leg are parallel at full extension and the seat doesn't seem to be too high based on the open leg angle.
2013-08-25 5:09 PM
in reply to: pfadul

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Champion
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Columbia, South Carolina
Subject: RE: Tri bike fit critique (on a road bike)
That's not too bad -- better than most fits I see, and definitely better than most I see on a road bike. You are probably past the point of fitting by internet and might wish to visit a fitter (a good one).

I will say: You are probably a little high in the front but it isn't clear that there's anything you can do about that. Of course, you are staring at your front wheel. On the road, your head will almost certainly be higher (i.e., catching wind).
2013-08-26 5:58 AM
in reply to: pfadul

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Pro
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, New Hampshire
Subject: RE: Tri bike fit critique (on a road bike)
You do look a bit crunched up (bow in back), but I bet if you get any lower in the front, you would shift too much weight forward and the bike would become skittish.

I would honestly recommend removing the FF seatpost (not a big fan of those... fixes a problem but causes another) and add reach that way. Should allow you to flatten out your back.
2013-08-27 12:29 PM
in reply to: audiojan

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Member
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Alexandria, Virginia
Subject: RE: Tri bike fit critique (on a road bike)
Thanks for your thoughts everyone!

@Experior, I actually have the ability to get my arm pads lower. That picture has a 12.5mm spacer included between thehandlebar mounts and the pads. For a week I had the spacer out but felt my neck and shoulders weren't as comfortable, so I tried with the spacers in until I can work on flexibility and strength.

@audiojan, is it the lower back that you're referencing with a bowed back? Can you perhaps provide a picture of what shape my back would be optimally? I'd prefer not to take out the FastForward because I know that the reach to get down to aero would be too great for me. I do have some wiggle room the saddle rails so perhaps I can set it back further for a less steep leg angle. I'll see what I can do to tweak reach. I do feel kinda comfy in a scrunched up position. I must have similar preferences to Jonas Colting in this F.I.S.T. cockpit length article.
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