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  1. #201
    Must Go Faster veloboy971's Avatar
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    Quote Originally Posted by Racer Ex View Post
    Everyone who rides a TT should have this video:

    where's the full version at?
    SeaSucker/Guttenplan Coaching Cycling Team - https://www.facebook.com/GuttenplanCoachingCyclingTeam

  2. #202
    Senior Member Nate552's Avatar
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    Quote Originally Posted by tombailey View Post
    2 questions:

    1) My helmet is best aligned wih my back if i wear it slightly pushed back/up on my head. Doesn't look great, but is this likely to be more aero than having it lower/forward and further from my back?
    Depends.

    2) I'm tall with long limbs and slightly (comparatively) short torso. In the position I find myself wanting to be in (saddle is where i want it and elbows are a touch forward of being below shoulders) my knees hit my elbows. Any tips?
    [/QUOTE]

    Don't follow. Your elbows are forward of being below your shoulders? What does that mean? Have you been fitted? Got a pic?

  3. #203
    Making a kilometer blurry waterrockets's Avatar
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    Quote Originally Posted by Nate552 View Post

    Don't follow. Your elbows are forward of being below your shoulders? What does that mean? Have you been fitted? Got a pic?
    Elbow center point is in front of a plumb line from the shoulder center point.

  4. #204
    Senior Member Nate552's Avatar
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    Quote Originally Posted by waterrockets View Post
    Elbow center point is in front of a plumb line from the shoulder center point.
    Oh, I get it. Um, get a proper fit then, you're all fouled up.

  5. #205
    awaiting uci approval tombailey's Avatar
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    Quote Originally Posted by Nate552 View Post
    Oh, I get it. Um, get a proper fit then, you're all fouled up.
    Can you explain why you think that's "all fouled up"? From my experience and education elbows underneath shoulder (so upper arm is perpendicular to the ground), or slightly forward, is totally normal. Where are your elbows in relation to your shoulder?

  6. #206
    Making a kilometer blurry waterrockets's Avatar
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    Quote Originally Posted by tombailey View Post
    Can you explain why you think that's "all fouled up"? From my experience and education elbows underneath shoulder (so upper arm is perpendicular to the ground), or slightly forward, is totally normal. Where are your elbows in relation to your shoulder?
    I'm no TT fit expert, so I can't speak to the fouled up position, but this is Nate. To my eye, his elbows are 3cm forward (bike in image is rotated clockwise a bit, so they appear further back than they are). This boy is slippery through the air.


  7. #207
    fuggitivo solitario echappist's Avatar
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    how much does Cobb charge for fittings?

  8. #208
    awaiting uci approval tombailey's Avatar
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    Quote Originally Posted by waterrockets View Post
    I'm no TT fit expert, so I can't speak to the fouled up position, but this is Nate. To my eye, his elbows are 3cm forward (bike in image is rotated clockwise a bit, so they appear further back than they are). This boy is slippery through the air.

    I'd say my arms are in a pretty similar position to that. The problem for me is that with such long legs by knee can hit my elbow whereas nate has a clear gap of 2-3 inches. Currently moving from a modified road bike to a TT bike, so will be doing some fit work.

  9. #209
    Senior Member ricohman's Avatar
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    I may do a short 4.3km uphill TT before the road race tomorrow. I don't have a dedicated TT bike so my Specialized Roubaix is it.
    Any tips for a short uphill TT? I never knew TT's were this short but it is what it is. I've ridden 40km TT's on this bike and under good conditions a sub 1:10 is as probably as good as it gets for me with old Mavic CPX22 wheels and a tool kit dangling from the seat and hairy legs....
    My plan is to start as hard as possible as the first km is pretty flat, then hammer up the hill as fast as I can.
    Would I be better off standing at some point?
    I was hoping the hill would even out the odds with those slippery aero bikes.

  10. #210
    Senior Member jsutkeepspining's Avatar
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    http://connect.garmin.com/activity/98502766

    I was looking over my tt from Friday and realized i did a great job pacing. If you look at my heart rate, and add in the average bar, my heart rate is consistently a little lower than the average on the way out and consistently over it on the way back.

    O and please don't mention how slow i am. I'm trying to get faster and a couple of excuses for my slowness is that i didn't have my disc and i had just come off a very nasty crash two days before.

  11. #211
    Senior Member AdelaaR's Avatar
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    Quote Originally Posted by jsutkeepspining View Post
    http://connect.garmin.com/activity/98502766

    I was looking over my tt from Friday and realized i did a great job pacing.
    Nice run. How they call such a flat straight line a "tour of the valley" remains a mistery though.
    Don't make excuses for being slow when you average 25mph over 9 miles ... it isn't top but many people will never ride that fast in their lives.

  12. #212
    Senior Member AdelaaR's Avatar
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    Quote Originally Posted by ricohman View Post
    I may do a short 4.3km uphill TT.
    So how did you do?
    I'm going to do a similar TT this summer ... it starts off next to the river de Dender and then goes flat next to the river for about 3,5k ... then it goes up through the center of Geraardsbergen and then it goes straight up "De Muur". The TT is called "Muur Challenge"
    Only 5k but 20% incline with cobblestones for the last bit ... it's going to be tough I recon.

  13. #213
    Senior Member jsutkeepspining's Avatar
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    Quote Originally Posted by AdelaaR View Post
    Nice run. How they call such a flat straight line a "tour of the valley" remains a mistery though.
    Don't make excuses for being slow when you average 25mph over 9 miles ... it isn't top but many people will never ride that fast in their lives.
    tour of the valley is a stage race, this is just the prologue time trial.

  14. #214
    Senior Member AdelaaR's Avatar
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    Quote Originally Posted by jsutkeepspining View Post
    tour of the valley is a stage race, this is just the prologue time trial.
    Oh I see

  15. #215
    Senior Member Nick Bain's Avatar
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    a couple questions regarding elbow pad height vs seat height. Can one still get aero if the heights are fairly close? does one need a good drop on the bars or is that just rider dependent? I am picturing myself with elbows further forward than normal is that bad?
    Last edited by Nick Bain; 07-28-11 at 01:35 AM.

  16. #216
    Senior Member AdelaaR's Avatar
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    In general, the flatter your back the more aero you are.
    This is however dependant on many factors and the only way to make sure is to test it.
    Your elbows shouldn't be forward as this will make steering difficult. On a TT bike with the saddle properly placed quite forward, the reach to the pads should be good.
    On my bike, the pads are WAY below the seat ... for this reason.
    However ... the lower you set your pads, the more cramped up you will get and this will result in power loss.
    The trick is to find the position that is the perfect balance between aeroness and power.

  17. #217
    Senior Member Nick Bain's Avatar
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    terrific thanks, I have trouble maintaining a flat back due to the way I sit and flexibility. So I just want to make sure I dont get a bike thats too small and have the bars 6 inches below the seat. I imagine my position to have an arced back like Lance.

  18. #218
    Slow'n'Aero DrWJODonnell's Avatar
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    From what I have seen, flat back does not equal more aero. There are some very euro style super flat backed guys out there who do not test well in the tunnel. Think of airplane wing cross section or aero tubes on a cervelo. But yes, upright and 45 degree angle from your shoulders to your hips is not a good position.

    Oh, and Hi all.

  19. #219
    Senior Member jsutkeepspining's Avatar
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    Quote Originally Posted by DrWJODonnell View Post
    From what I have seen, flat back does not equal more aero. There are some very euro style super flat backed guys out there who do not test well in the tunnel. Think of airplane wing cross section or aero tubes on a cervelo. But yes, upright and 45 degree angle from your shoulders to your hips is not a good position.

    Oh, and Hi all.

    Welcome back!
    cat 1-o-meter: wtf am i doing??????
    Quote Originally Posted by Racer Ex View Post
    You're not dumb. You're just less smart.

  20. #220
    Senior Member AdelaaR's Avatar
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    I've been riding my new TT-bike for the last two months now and I have recently made some changes to the saddle position.
    I have moved it higher and especially more forward ... it is now at the most forward possible position.
    I have also slightly tilted it more to the front.
    I feel this opens up my muscles more and gives me more power, but I admit I'm a newbie at this so I might be wrong about it.
    Can any of the more experienced TT riders chime in on this?
    Does this make sense at all or is it a bad idea?

  21. #221
    Senior Member Nate552's Avatar
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    Quote Originally Posted by AdelaaR View Post
    I've been riding my new TT-bike for the last two months now and I have recently made some changes to the saddle position.
    I have moved it higher and especially more forward ... it is now at the most forward possible position.
    I have also slightly tilted it more to the front.
    I feel this opens up my muscles more and gives me more power, but I admit I'm a newbie at this so I might be wrong about it.
    Can any of the more experienced TT riders chime in on this?
    Does this make sense at all or is it a bad idea?
    Hard to say without pics, but if your seat is ALL the way forward on a TT frame, it's possible you might be placing a large load on your quads. Which may work for you, especially short courses. But you MAY have trouble in a longer effort, like a 40K. Again, hard to say. As for tilt, I dunno, that's not how I would go about opening up my hips, I'd use shorter cranks.


    Quote Originally Posted by DrWJODonnell View Post
    From what I have seen, flat back does not equal more aero. There are some very euro style super flat backed guys out there who do not test well in the tunnel. Think of airplane wing cross section or aero tubes on a cervelo. But yes, upright and 45 degree angle from your shoulders to your hips is not a good position.

    Oh, and Hi all.
    Doc!!! Come back to school us a bit?

  22. #222
    Dropped again guadzilla's Avatar
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    I have been trying to dial in my TT fit as well, and had a question - approx how much weight do you guys have on your arms when in the tuck? I know it is hard to quantify but some idea would be nice.
    Peace is knowing someone else is suffering more than you are.

  23. #223
    Senior Member AdelaaR's Avatar
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    Personally I have quite a bit of weight there, but I do this deliberately to keep it as much of my back as possible since I have a bad back.
    I don't see any problem with putting weight on an aerobar as long as you can handle the bike like you should.

  24. #224
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    I put nearly all my weight on the bars, but that's the only way I can get the position I want while keeping a legal saddle position. Pretty easy to get used to.

  25. #225
    Dropped again guadzilla's Avatar
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    Hm, I think I need to keep tweaking my fit. In a reasonably aero position, I get a lot of discomfort in my back (just below the shoulders and above the lats) and also in my triceps. Not sure why that is the case, cos I can hold a similar position in the drops for an hour. I was wondering if this was b/c of too much weight on the arms, but that doesnt seem to be the case.

    Am going to take some photos and post them here tomorrow for critique and comments.
    Peace is knowing someone else is suffering more than you are.

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