Would you put a power meter on a 300$ bike?
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Would you put a power meter on a 300$ bike?
Postby durianrider » Thu May 16, 2013 5:25 pm
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Re: Would you put a power meter on a 300$ bike?
Postby AUbicycles » Thu May 16, 2013 5:53 pm
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Re: Would you put a power meter on a 300$ bike?
Postby toolonglegs » Thu May 16, 2013 5:56 pm
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Re: Would you put a power meter on a 300$ bike?
Postby FXST01 » Thu May 16, 2013 5:57 pm
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Re: Would you put a power meter on a 300$ bike?
Postby nickobec » Thu May 16, 2013 7:28 pm
My powertap training wheels (Mavic Open Pro laced to Elite+ hub) are often on my old steel training bike a 20 year old Giessauf Ultimate frame with a 2nd hand 5600 105 group set, that cost me about $400 to build up + wheels
Even raced on that bike with those wheels
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Re: Would you put a power meter on a 300$ bike?
Postby Bentnose » Fri May 17, 2013 5:49 pm
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Re: Would you put a power meter on a 300$ bike?
Postby foo on patrol » Fri May 17, 2013 6:41 pm
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Re: Would you put a power meter on a 300$ bike?
Postby ft_critical » Fri May 17, 2013 6:51 pm
Retro grouchfoo on patrol wrote:Power/Tap/Metres are a waste of money for Joe blow. Elite cyclists yes, for fine tuning but otherwise no!
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Re: Would you put a power meter on a 300$ bike?
Postby Mulger bill » Fri May 17, 2013 7:37 pm
Just be glad the HRM fad lasted long enough to make them dirt cheapfoo on patrol wrote:Power/Tap/Metres are a waste of money for Joe blow. Elite cyclists yes, for fine tuning but otherwise no!
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Re: Would you put a power meter on a 300$ bike?
Postby nickobec » Fri May 17, 2013 7:57 pm
I am not a elite cyclist, probably not quite a Joe Blow either. Been racing a year, can't easily train by HR as I am on beta blockers (also causes problems training by perceived effort and lesser extent training with power).foo on patrol wrote:Power/Tap/Metres are a waste of money for Joe blow. Elite cyclists yes, for fine tuning but otherwise no!
I do find a power meter a very useful racing and training tool, particularly when:
1) Riding a TT - can manage your effort over 16, 25 or 40km
2) Riding on the front or off the front of the bunch - again you can manage your effort
3) Great training tool once you know how to use it properly, identifying weakness, targeting areas you need to improve in.
So for me definitely not a waste of money.
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Re: Would you put a power meter on a 300$ bike?
Postby foo on patrol » Fri May 17, 2013 9:21 pm
Do you see them using one in a pursuit or a time trial on the track..nup
If you can't read your legs, in a race or training, then you really don't have a clue on riding.
Like I have previously stated, for elite level and to fine tune yes!
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Re: Would you put a power meter on a 300$ bike?
Postby toolonglegs » Fri May 17, 2013 9:40 pm
Ummm... aren't they illegal for racing on the track?foo on patrol wrote:Do you see them using one in a pursuit or a time trial on the track..nup
But in training...
I would also argue that every tt no matter what the distance is about measuring you effort... your average speed can change due to many things, but your effort will stay the same... how is average speed going to help into a blaring headwind or having a hurricane up your arse?, speeds and efforts vary during tt's, how would you know what average speed to hold unless you had done a perfect effort on exactly the same course in exactly the same conditions?
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Re: Would you put a power meter on a 300$ bike?
Postby dalai47 » Fri May 17, 2013 11:16 pm
You don't happen to work for the UCI by any chance?foo on patrol wrote:All TTs and race distances, are about average speed calculations, you can do the same with a speedo and a stop watch!
Do you see them using one in a pursuit or a time trial on the track..nup
If you can't read your legs, in a race or training, then you really don't have a clue on riding.
Like I have previously stated, for elite level and to fine tune yes!
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Re: Would you put a power meter on a 300$ bike?
Postby dalai47 » Fri May 17, 2013 11:40 pm
Not illegal on the velodrome. Just not allowed to see the screen as it is deemed a pacing tool...toolonglegs wrote: Ummm... aren't they illegal for racing on the track?
http://www.bikeradar.com/road/gear/arti ... nes-33634/" onclick="window.open(this.href);return false;
My pursuit bike has a bracket under the seat like those above. For other races I just tape over the screen when racing which passes any commissaire scrutiny.
Naturally the road and TT bikes can have the screen visible.
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Re: Would you put a power meter on a 300$ bike?
Postby nickobec » Fri May 17, 2013 11:46 pm
So wind is not a factor in a TT? Did you only race in velodromes?foo on patrol wrote:All TTs and race distances, are about average speed calculations, you can do the same with a speedo and a stop watch!
My best performance compared to my fellow club member on a 16km TT was on hot blustery afternoon. When I rode the 8km out at 255 watts and 32.5 kph into a 25 kph gusting to 35kph headwind. The 8km back at 245 watts and 42.5 kph, for a new PB, most my club mates did not get within 30 seconds of their target times. Some where over a minute off.
I assume most tried to stick to a decent speed on the outward leg, where as I stuck to effort not speed. So I was reasonably fresh from the return leg, unlike other who turn for home spent.
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Re: Would you put a power meter on a 300$ bike?
Postby toolonglegs » Sat May 18, 2013 12:08 am
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Re: Would you put a power meter on a 300$ bike?
Postby foo on patrol » Sat May 18, 2013 11:16 am
No road as wellnickobec wrote:So wind is not a factor in a TT? Did you only race in velodromes?foo on patrol wrote:All TTs and race distances, are about average speed calculations, you can do the same with a speedo and a stop watch!
My best performance compared to my fellow club member on a 16km TT was on hot blustery afternoon. When I rode the 8km out at 255 watts and 32.5 kph into a 25 kph gusting to 35kph headwind. The 8km back at 245 watts and 42.5 kph, for a new PB, most my club mates did not get within 30 seconds of their target times. Some where over a minute off.
I assume most tried to stick to a decent speed on the outward leg, where as I stuck to effort not speed. So I was reasonably fresh from the return leg, unlike other who turn for home spent.
This is the part where you should know your legs and ability!
Of course your average speed will be different in different conditions, you will never be able to do the exact same time if your riding in different conditions for crying out loud.
Maybe we trained smarter when I was racing due to not having all this electronic parafernalia that's around now. If you can't read your legs and perceived effort then there is something very wrong with how you train your body.
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Re: Would you put a power meter on a 300$ bike?
Postby Alex Simmons/RST » Sat May 18, 2013 5:12 pm
That was the case with one of my clients, who clearly knew how to ride (he was already a world masters points race champ) but was a poor pacer in timed events. We sorted that out with power data and he now hold two age category world hour records. If left to his own devices, he still exhibits poor pacing tendencies, but is a lot better than he was.
Power calibrates perceived exertion, such that you learn what good pacing really feels like without the meter, and learn how to avoid the common pacing mistakes that even pros still make.
Other people have a greater innate sense of pacing, or learned the craft over many years. The power meter in many aspects of training can help shorten the learning curve significantly.
I agree that this is primarily for those interested in improving performance, but it doesn't matter if you are trying to win the the world road ITT or trying to beat your own PB.
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Re: Would you put a power meter on a 300$ bike?
Postby durianrider » Tue May 21, 2013 10:59 pm
They don't even work anyways. Pacing to power is a stupid idea. Just go by average speed. Lets say you do Mt Cootha at 20kph av speed. Just sit on 20kph on the easier sections and 20kph on the steeper sections. Use your brakes to slow down if you go over 20kph on the easier sections. That way you get a 20kph average. Who needs a power meter?
If you know your average speed just sit on that even if you are going up or down hill. Av speed is what counts. Wind, terrain etc doesnt matter. Av speed determines all. Wattage is a silly way to gauge workload as watts per kg means nothing in cycling. Pro cyclists are picked up for their average speed ability vs watts per kg.
I average 37kph on my commute to the city. 55kph on the back of a bus. If I ride a 55kph behind the bus, means Im fitter than riding at 37kph into a head wind cos my av speed is now 55kph.
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Re: Would you put a power meter on a 300$ bike?
Postby winstonw » Tue May 21, 2013 11:16 pm
watts/kg is bugger all too. who is faster of two guys with 5watts/kg? the one who weighs 65kg, or the other at 80kg?durianrider wrote:Wattage is a silly way to gauge workload as watts per kg means nothing in cycling. Pro cyclists are picked up for their average speed ability vs watts per kg.
which is why Strava segments are a joke - no way to tell how much is wind or draft assist.durianrider wrote:I average 37kph on my commute to the city. 55kph on the back of a bus. If I ride a 55kph behind the bus, means Im fitter than riding at 37kph into a head wind cos my av speed is now 55kph.
Power readings are certainly helpful, but can they forecast power in 2 weeks, or 2 months?
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Re: Would you put a power meter on a 300$ bike?
Postby durianrider » Wed May 22, 2013 11:45 am
Watts per kg is watts per kg on a climb. They will both be riding together if they can both hold 5 w/kg. On the flat it would be whoever is more aero at the same watts per kg.winstonw wrote:durianrider wrote:Wattage is a silly way to gauge workload as watts per kg means nothing in cycling. Pro cyclists are picked up for their average speed ability vs watts per kg.
You can tell if someone is drafting a motorbike, bus or car on strava as the segment will be stupidly fast. Increasingly, riders are using power meters and HR data to confirm their effort on Strava.
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