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Old 07-06-13, 08:10 AM
  #1  
rydabent
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How

I will tell you right up front that I ride bents.

My question is how-------------can roadies with their seats jacked clear up and their handlebars clear down possibly think that their lungs can completely fill. Some are bent over so far it appears their legs and knees almost hammer their chests. Contrast that with bent riders that are reclined, and their chest and lungs are not compressed at all. Just asking. I however dont want to start another DF vs bent thread.
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Old 07-06-13, 10:20 AM
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There is a compromise between aerodynamics and effective respiration, but since the UCI (the governing body for professional bicycle racing) does not allow recumbents in sanctioned events, you won't find bike racers (and wanna-bes) on those bikes.
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Old 07-06-13, 12:57 PM
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Originally Posted by JohnDThompson View Post
There is a compromise between aerodynamics and effective respiration, but since the UCI (the governing body for professional bicycle racing) does not allow recumbents in sanctioned events, you won't find bike racers (and wanna-bes) on those bikes.
You think I don't dream of winning a stage of the TDF????
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Old 07-07-13, 09:10 AM
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Originally Posted by rydabent View Post
I however dont want to start another DF vs bent thread.
Yeah. Right.
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Old 07-07-13, 10:00 AM
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Originally Posted by Retro Grouch View Post
Yeah. Right.
+1 Exactly what I was thinking.
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Old 07-07-13, 10:22 AM
  #6  
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Originally Posted by rydabent View Post
how...can roadies with their seats jacked clear up and their handlebars clear down possibly think that their lungs can completely fill...I however dont want to start another DF vs bent thread.
Um...
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Old 07-07-13, 11:12 AM
  #7  
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If I had to guess, I'd guess there's no difference in ventilation capacity between the two. If I were told there was a small difference, I'd guess it was lesser on the bent as the seat is pressing against the lower back, whereas the entire torso is unconstrained on the diamond frame.
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Old 07-07-13, 12:02 PM
  #8  
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My former 3 pack a day habit probably hurts my lung function more than my road bike. Also, an unfortunate lack of facial hair precludes me from riding bents.
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Old 07-07-13, 12:02 PM
  #9  
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I can fill my lungs pretty darn well myself. Regardless, when you are breathing heavily you don't fill your lungs to capacity anyways, so it seems like a non issue.
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Old 07-07-13, 01:58 PM
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Maybe you should try a road bike some time. They're not that bad.

By the way, how do you get up steep hills on a bent since you can't get your body weight on the pedals ?
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Old 07-07-13, 02:14 PM
  #11  
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Here's an interesting study.
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Old 07-07-13, 04:04 PM
  #12  
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Originally Posted by Jaywalk3r View Post
Here's an interesting study.
aero bars? I think that's different than drops. They say that with trained cyclists, the results are inconsistent, which says to me that it's training
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Old 07-07-13, 04:10 PM
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Originally Posted by unterhausen View Post
aero bars? I think that's different than drops. They say that with trained cyclists, the results are inconsistent, which says to me that it's training
Aero position, i.e., "in the drops."

The results suggest that, with training, one can overcome some of the limitations of riding in an aero position, not that the aero position doesn't have inherent physiological limitations.
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Old 07-07-13, 05:20 PM
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if you read the abstract at the link, you will see that they are talking about performance using clip-on aero bars
Not surprising that people don't do well in those, I don't do well at all and don't care to practice
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Old 07-07-13, 05:40 PM
  #15  
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Originally Posted by unterhausen View Post
if you read the abstract at the link, you will see that they are talking about performance using clip-on aero bars
Not surprising that people don't do well in those, I don't do well at all and don't care to practice
I read the whole study, but missed the clip-on bar description.

Nonetheless, I would expect similar results comparing an upright position with riding in the drops (though only an experiment would confirm such an expectation).
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Old 07-07-13, 07:54 PM
  #16  
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I rode a bent (Rans Stratus) for 7 years, and I've been a "roadie" for 5 years. Filling the lungs with either kind of bike for me was and is a total non-issue. Your lungs are not really "compressed" while riding a road bike, unless you have the world's worst fitting.
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Old 07-07-13, 09:19 PM
  #17  
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I have no problem filling my lungs or breathing. The discomfort of drop bar road bikes is highly over exaggerated. I am very comfortable and at ease in the drops, love it there and my bars tops are typically set three to four inches below my saddle top. And I am 59 yo.

J
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Old 07-08-13, 02:28 PM
  #18  
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How can you see anything in front of you with your feet in front of your face?
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Old 07-08-13, 02:45 PM
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So you're saying that recumbent riders' lungs are completely filled with air? And here all along I thought it was just their bellies.
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Old 07-08-13, 02:48 PM
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Originally Posted by caloso View Post
So you're saying that recumbent riders' lungs are completely filled with air? And here all along I thought it was just their bellies.
In rydabent's case, it's his head. But this is a very poor effort at a troll on his part...
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Old 07-08-13, 03:01 PM
  #21  
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You could ask silly questions about any type of cycling really. How do bent riders keep from getting run over every time they go out?

I consider myself a "roadie" as I ride on the road, but my handlebars and seat are level with one another. The only time I use the drops is going downhill and then it's just to get more aerodynamic and get some free speed. Most other times, I'm on the hoods and I have no issue with breathing. Don't have any issues with breathing in the drops either though.
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Old 07-08-13, 03:37 PM
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Originally Posted by rydabent View Post
I however dont want to start another DF vs bent thread.
No way?!?!
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Old 07-08-13, 08:16 PM
  #23  
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Originally Posted by leob1 View Post
How can you see anything in front of you with your feet in front of your face?
I use a complex system of mirrors and cameras/monitors.
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Old 07-08-13, 09:25 PM
  #24  
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My buddy who has ridden both and sells both in his shop says he gave up the recumbent because when riding it he felt about as motivated and energetic as when he was in his La Z Boy at home.

But I'm not intending to start a roadie vs recumbent debate
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Old 07-08-13, 09:38 PM
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