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Old 06-12-07, 01:57 PM   #1
2Tired2Shift
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Power meter - train, race or both?

I'm wondering how many of you power-meter types have your systems set up on a training bike rather than your race bike(s)?
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Old 06-12-07, 02:01 PM   #2
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I have a PT SL laced to a Reynolds Alta race. I bought multiple sensor kits so I can swap the PT wheel between bikes. I basically train and race with the thing. Getting day to day info back from the PT is key. I also like racing with it to see what was going on before during and after critical points in the race. It gives me a more quantitative idea of what I need to work on.
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Old 06-12-07, 02:05 PM   #3
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Quote:
Originally Posted by Snicklefritz
I have a PT SL laced to a Reynolds Alta race. I bought multiple sensor kits so I can swap the PT wheel between bikes. I basically train and race with the thing. Getting day to day info back from the PT is key. I also like racing with it to see what was going on before during and after critical points in the race. It gives me a more quantitative idea of what I need to work on.
That extra 250 g. in the hub has to hurt... ?
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Old 06-12-07, 02:07 PM   #4
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I'll use my PT wheel for training and some racing. For higher priority races I've gone to just using race wheels. I don't know if it's all in my head or what, but I do feel like the bike is a little quicker when I put the Fulcrum 1's on there.
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Old 06-12-07, 02:10 PM   #5
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Old 06-12-07, 02:15 PM   #6
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Quote:
Originally Posted by 2Tired2Shift
That extra 250 g. in the hub has to hurt... ?
In my case, it doesn't hurt nearly as much as simply sucking and being out of shape. I'm happy to take the "penalty" so I can see if the training is actually doing anything or not (at least by the power numbers...if I ever get to the point of losing a podium spot and I can attribute it directly to the weight, I'll consider losing the PT, but so far there's no danger of that happening anytime soon).
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Old 06-12-07, 02:16 PM   #7
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Originally Posted by 2Tired2Shift
I'm wondering how many of you power-meter types have your systems set up on a training bike rather than your race bike(s)?
I only have one bike so, don't have to make that choice. If I did have multiple bikes I would move it around.
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Old 06-12-07, 02:22 PM   #8
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In my case, it doesn't hurt nearly as much as simply sucking and being out of shape. I'm happy to take the "penalty" so I can see if the training is actually doing anything or not (at least by the power numbers...if I ever get to the point of losing a podium spot and I can attribute it directly to the weight, I'll consider losing the PT, but so far there's no danger of that happening anytime soon).
I hear you man. That's how I feel about it. I need to lighten the engine a bit so the 250g from the hub isn't a huge deal.
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Old 06-12-07, 02:26 PM   #9
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You could take a big dump and compensate for 1/4th of a pound! LOL!

Mine is on my commuter, which is also my race bike. Power meter - train, race and commute
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Old 06-12-07, 02:26 PM   #10
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I went to a srm and it is much heavier than the cranks I had before but the bike still comes in at 6.8 in race trim so I dont mind the weight.
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Old 06-12-07, 03:44 PM   #11
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training only. i've found that having the power numbers in front of me is a distraction during a race. so i now race on another set of wheels
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Old 06-12-07, 03:50 PM   #12
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Quote:
Originally Posted by smoke
training only. i've found that having the power numbers in front of me is a distraction during a race. so i now race on another set of wheels
You could set the display to max power, tape over it, or just not look.
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Old 06-12-07, 04:05 PM   #13
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^^^ I've set it to max power and covered it with tape, but still see myself looking down at it--so finally I just took it off.

Another interesting thing is that I've not gotten anything from my race data that has helped all that much. I'll freely admit that I'm still a power training newbie, but I have yet to set a new max power in a race or see something in the power graphs that looked like it was particularly unusual. Again, though, I'm not savvy with analyzing the race data yet.
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Old 06-12-07, 04:50 PM   #14
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Quote:
Originally Posted by DrPete
Another interesting thing is that I've not gotten anything from my race data that has helped all that much. I'll freely admit that I'm still a power training newbie, but I have yet to set a new max power in a race ...
I'd say that's pretty interesting right there. Unless you're winning the race, then you should be putting out maximum effort at least once during the race (and falling short of what's needed). If these max efforts are less than you're capable of in training, you might want to understand why. I'd also want to understand exactly why I fell short of the effort needed at these critical points.
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Old 06-12-07, 04:53 PM   #15
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Quote:
Originally Posted by asgelle
I'd say that's pretty interesting right there. Unless you're winning the race, then you should be putting out maximum effort at least once during the race (and falling short of what's needed). If these max efforts are less than you're capable of in training, you might want to understand why. I'd also want to understand exactly why I fell short of the effort needed at these critical points.
Well, my personal explanation is that I'm not going to be able to whip out my peak sprint power or my 1-minute power at the end of a 1-hour race the way I can when my only goal is to do sprints, 1-minute intervals, etc.

This is most likely a result of a weak base (or at least that's my guess) and a need for a bit more anaerobic endurance, both of which I'm working on anyway.
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Old 06-12-07, 05:02 PM   #16
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Well, my personal explanation is that I'm not going to be able to whip out my peak sprint power or my 1-minute power at the end of a 1-hour race the way I can when my only goal is to do sprints, 1-minute intervals, etc.
But what about all the other points on the mean maximal power curve? Somewhere there should be points from races.
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Old 06-12-07, 05:05 PM   #17
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Originally Posted by asgelle
But what about all the other points on the mean maximal power curve? Somewhere there should be points from races.
I think there might be some, and I did have one 1-hour race with a normalized power of 317W, but none of the big ones (5sec, 1min, 5min) have been set in a race. I think a lot of that has to do with the fact that there just aren't any 5-minute climbs around here (in races, at least).
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Old 06-12-07, 05:21 PM   #18
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ive found the numbers from races helpful. ive been able to use the numbers to set target power ranges in training. its also been helpful in letting me relive the race.
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Old 06-12-07, 05:41 PM   #19
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I use an SRM and it records everything. I'm hooked on the data. Have recorded one race and several "group" rides. If you can interpret the data correctly you can get very specific about your training. If that is important to you.
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Old 06-12-07, 05:48 PM   #20
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I'm banking on the fact that in steady state races (time trials), seeing my real time power will help me keep my power within a tight window, especially early on.

In a road race, you can drop your power by a substantial margin and maintain speed by drafting. Not so in an ITT.
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Old 06-12-07, 06:05 PM   #21
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My setup is a PT SL laced to a Zipp 404 clincher rim. I usually race with it because data from races are the most valuable data. But I sometimes race on Zipp 303 tubulars, which make the whole wheel weight about 1 1/2 lbs lighter, which is enough to feel climibing and accelerating out of turns.
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Old 06-12-07, 06:24 PM   #22
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Quote:
Originally Posted by ratebeer
I'm banking on the fact that in steady state races (time trials), seeing my real time power will help me keep my power within a tight window, especially early on.

In a road race, you can drop your power by a substantial margin and maintain speed by drafting. Not so in an ITT.
now THIS i'll agree with. i can tape over the computer or put useless data on it while i'm riding a road race, but why? if i'm gonna do that, why not just run another set of wheels? i broke out of the pack on saturday in the sprint but couldn't run the first two guys down. so i know that my sprint workouts aren't good enough to get me to first. i don't need a number to tell me that; real life just told me my sprint work isn't getting it done. different story in a TT. i'd LOVE to have the PowerCrap during a TT, but my TT bike wheels are smaller, so the wheels won't work.
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Old 06-12-07, 06:26 PM   #23
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Quote:
Originally Posted by merlinextraligh
My setup is a PT SL laced to a Zipp 404 clincher rim. I usually race with it because data from races are the most valuable data. But I sometimes race on Zipp 303 tubulars, which make the whole wheel weight about 1 1/2 lbs lighter, which is enough to feel climibing and accelerating out of turns.
now, wait a minute. you just said race data is the most valuable data. but you'll give it up for a lighter wheel. i guess it's not that valuable
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Old 06-12-07, 06:34 PM   #24
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i broke out of the pack on saturday in the sprint but couldn't run the first two guys down. so i know that my sprint workouts aren't good enough to get me to first.
You know or you think? How can you be sure your final sprint power wasn't limited by lack of aerobic power which prevented you from expressing your full maximum power? Similarly, how do you evaluate the contribution of anaerobic power to sucess or failure in that final kick? Without a power meter all you have is the final result, you're just guessing the cause. Improved NP power might be the last thing you need to work on.
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Old 06-12-07, 06:37 PM   #25
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I use an SRM Dura Ace, so it's not too bad to move it between my TT bike and Road/Crit bike. Soo, I ride it 100% of the time. Also, having an SRM over a PT allows me to run it with my training wheels, Carbones, or even the disc on my TT bike.

I don't know why people don't like looking at it during a race. I ignore it 99% of the time, but there's that occasion where it's helpful -- bridging, attacking, etc, it's nice to know your CP values and know how to pace it. Even then I don't use it a lot, but it's still nice to know what's going on with you.
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