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Old 12-05-07, 10:17 PM   #1
LT Intolerant
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Do Your Knees Hit the Armrests on Your TT Bike?

Hi all -

Another question for those w TT machines. Do your knees hit your armrests when you get out of the saddle to sprint or crest a hill or...? If so, what law of proper TT fitting is being violated?

Thanks in advance for your insight.

gene r
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Old 12-05-07, 10:25 PM   #2
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Do your knees hit your armrests when you get out of the saddle to sprint or crest a hill
Yes. When going totally buck nutty. You generally don't sprint on a TT rig, so it is not a common issue. Out of the saddle going uphill on grades > 10%, yes. Again, not a common TT situation.
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Old 12-06-07, 01:30 AM   #3
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when my clip-on aerobars are on the roadie they hit my knees. not a big deal
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Old 12-06-07, 09:17 AM   #4
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Yes, but riding TT out of the aero position is extremely bad form.
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Old 12-06-07, 09:31 AM   #5
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Yes, I had to adjust my out of the saddle style to avoid it. The first time it happened I really bruised my right knee badly.
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Old 12-06-07, 09:34 AM   #6
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It really depends on your torso and arm length vs. your leg length (or more properly, your femur length, I guess). In my case, if I try to get my arm angle at 90 degrees at the shoulder (ala FIST fitting) my knees hit the pads. I'm a bit more stretched out now to avoid this, and it works for me.

Where do your arms fit on the pads? Do you have a bar/pad setup where you can move the pads forward? You may be able to keep the same position, just with your arms resting further up on the pads. I actually find this more comfortable, as the nerves near the elbow are sensitive and the forearms aren't.
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Old 12-06-07, 02:36 PM   #7
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Yes.

*but only out of the saddle
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Old 12-06-07, 03:47 PM   #8
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They won't hit if you raise your bars.....but then you'd go slower. I can't afford to go any slower, so I just hit my knees.
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Old 12-06-07, 04:20 PM   #9
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They won't hit if you raise your bars.....but then you'd go slower. I can't afford to go any slower, so I just hit my knees.
You get a new bike yet?
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Old 12-06-07, 04:22 PM   #10
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Originally Posted by KendallF View Post
It really depends on your torso and arm length vs. your leg length (or more properly, your femur length, I guess). In my case, if I try to get my arm angle at 90 degrees at the shoulder (ala FIST fitting) my knees hit the pads. I'm a bit more stretched out now to avoid this, and it works for me.

Where do your arms fit on the pads? Do you have a bar/pad setup where you can move the pads forward? You may be able to keep the same position, just with your arms resting further up on the pads. I actually find this more comfortable, as the nerves near the elbow are sensitive and the forearms aren't.
I use the FIST method as well and my arm angle is 90 degrees. Seems like the consensus is that most everyone faces this issue and we all just deal w it and try to minimize being out of the saddle. I can live w that. Thanks for the help.

gene r
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