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Stages Power Meter

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Stages Power Meter

Old 02-19-14, 05:30 PM
  #1  
Doughboy6
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Stages Power Meter

I was wondering if anyone has purchased one yet and what your opinion of it was. It seems to be a great system in theory and in price but I was wondering if it is in application.
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Old 02-19-14, 05:56 PM
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lots of thoughts on this, I'd suggest you do a search and look at reviews including DC Rainmaker's which people like to use since it seems to be an honest and pragmatic look at Stages.

I have the Dura Ace 9000 Stages, I have absolutely nothing to compare it to but it never drops out and I have so far had no problems with it (using since Sept). Some don't like the single leg only measurement and then doubling to come up with total power. For me it was best bang for price to get me started with power and for my use. Updates have been incredibly simple.

I think some may say you get what you pay for, SRM is the benchmark in accuracy and price, read reviews of every power meter and they all have their promoters and detractors. I'm happy with my Stages
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Old 02-19-14, 06:16 PM
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Just get the Power2Max FSA for $899 and avoid all the disadvantages for only slightly more.
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Old 02-20-14, 05:25 AM
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Originally Posted by Bah Humbug View Post
Just get the Power2Max FSA for $899 and avoid all the disadvantages for only slightly more.
I had never heard of that one before. Do you need to buy specific to your crankset?
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Old 02-20-14, 10:16 AM
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Originally Posted by Doughboy6 View Post
I had never heard of that one before. Do you need to buy specific to your crankset?
You need to get one for your bottom bracket, or that can be adapted, if that's what you mean. It is a crankset and would replace your current one.
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Old 02-20-14, 12:34 PM
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Originally Posted by Bah Humbug View Post
Just get the Power2Max FSA for $899 and avoid all the disadvantages for only slightly more.
Does that price include crank rings?
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Old 02-20-14, 01:28 PM
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Originally Posted by Dunbar View Post
Does that price include crank rings?
From the P2M site:

Included:
  • Sensor
  • Crank
  • Battery
NOT included:
  • Chain rings
  • Bottom bracket
  • Chain ring bolts
  • Original spider
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Old 02-20-14, 02:02 PM
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I know when I was looking at P2M crank bundles the Praxis rings were an extra $170. It looks like they're running a special on them for $99 right now.
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Old 02-20-14, 02:05 PM
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Originally Posted by Bah Humbug View Post
Just get the Power2Max FSA for $899 and avoid all the disadvantages for only slightly more.
What would those disadvantages be?
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Old 02-20-14, 02:12 PM
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Originally Posted by Dean V View Post
What would those disadvantages be?
Weeeeell... stages only measures power on one crank arm.
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Old 02-20-14, 02:14 PM
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Originally Posted by TrojanHorse View Post
Weeeeell... stages only measures power on one crank arm.
And then your legs end up like this:

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Old 02-20-14, 02:21 PM
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Eeeeuw. Elephantiasis of the left hairy quad. Ick.
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Old 02-20-14, 02:30 PM
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Originally Posted by Doughboy6 View Post
I was wondering if anyone has purchased one yet and what your opinion of it was. It seems to be a great system in theory and in price but I was wondering if it is in application.
Lots of good info in this thread: https://www.bikeforums.net/showthread...ter?highlight=
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Old 02-20-14, 06:40 PM
  #14  
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I have two Stages meters and have been very happy. Yes, there are some downsides but the cost and usefulness of the meters offsets them - in my application. The obvious downside is the 'left leg only' issue. It is not a big issue unless you have serious power imbalance problems. For me, it discourages 'one leg drills' because I get little to no data when I do the right-side drills. OCD, I know.

The second issue is a bit bigger. There is a bit of a lag, again due to the single-side measurement, between the initial application of power and when it becomes visible. Sprint drills tend to underreport max power by a bit. Being OCD, this annoys me. I get around this by tracking the progress of the reported power numbers. There is a firmware upgrade available that reports many more times per second. As soon as my Garmin is able to receive the higher volume, then the issue may go away entirely.

All told, I am happy with the purchases. My training is a lot more focused and I am able to measure my progress reliably. Worth every penny!

Don't forget - Sky has adopted Stages as the team power meter. Those guys live and die by accurate power readings. If it is good enough for Chris Froome.....
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Old 02-20-14, 07:47 PM
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Originally Posted by Dean V View Post
What would those disadvantages be?
One-sided measurement, rather hugely.
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Old 02-20-14, 07:49 PM
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Originally Posted by canam73 View Post
From the P2M site:

Included:
  • Sensor
  • Crank
  • Battery
NOT included:
  • Chain rings
  • Bottom bracket
  • Chain ring bolts
  • Original spider
Yeah, all-in it's a bit more expensive. On the other hand, it's a real power meter, not a one-sided one. Or he could get a Powertap for about that price as well. Either is better than Stages.
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Old 02-20-14, 08:04 PM
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Originally Posted by Bah Humbug View Post
Yeah, all-in it's a bit more expensive. On the other hand, it's a real power meter, not a one-sided one. Or he could get a Powertap for about that price as well. Either is better than Stages.
I have a Quarq and a PT right now. I am going to get rid of the PT and get a Stages for myself and my wife.

From DC Rainmaker's review and some of the other user reports on this forum, it does quite well. And if you happen to have compatible crankset that you like, it is the cheapest and easiest swap in PMs. I personally would never get an FSA crank if I could help it. I do not want their BB and do not own a press fit on purpose. My PT has been great, but switch wheels around often so it just doesn't make sense for me anymore.

Why do you have so much against the stages? Have you used one?
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Old 02-20-14, 09:04 PM
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Originally Posted by canam73 View Post
I have a Quarq and a PT right now. I am going to get rid of the PT and get a Stages for myself and my wife.

From DC Rainmaker's review and some of the other user reports on this forum, it does quite well. And if you happen to have compatible crankset that you like, it is the cheapest and easiest swap in PMs. I personally would never get an FSA crank if I could help it. I do not want their BB and do not own a press fit on purpose. My PT has been great, but switch wheels around often so it just doesn't make sense for me anymore.

Why do you have so much against the stages? Have you used one?
It's not that I have something "against" Stages. I'm very happy they launched because they created an immediate downward pressure on the prices of Powertap and P2M. However, I do consider them a technically inferior solution to all the others. Sure, in steady-state cases they "usually" track "pretty well" to the others. On the other hand, for some people they don't, and if you don't use one side-by-side with another power meter for a while, you don't know if the data you're getting is good or not. When there are options that don't suffer from that uncertainty available at very similar prices I don't see any compelling reason to buy the Stages.

Now, that's just me. You're different.
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Old 02-20-14, 09:10 PM
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I can't see how measuring from one side is a problem.
How many people have an imbalance they have discovered by a powermeter and then done specific training to address it and subsequently seen an improvement in performance??
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Old 02-20-14, 09:19 PM
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It's not about addressing an inherent imbalance to increase performance - that's a red herring. What matters is total wattage output and how the reading could vary because some people do vary their power balance at different levels of fatigue. Again, with Stages, you don't know whether your displayed output is the total load or not. Do you care? If I care enough to spend $700 on Stages, I care enough to pay a little more and get data I'm more confident in. If that makes me a "hater", so be it. However, the pricing landscape changed rather significantly shortly after they launched, and without their initial huge price advantage I just don't see the point.
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Old 02-20-14, 09:22 PM
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Originally Posted by Bah Humbug View Post
It's not that I have something "against" Stages. I'm very happy they launched because they created an immediate downward pressure on the prices of Powertap and P2M. However, I do consider them a technically inferior solution to all the others. Sure, in steady-state cases they "usually" track "pretty well" to the others. On the other hand, for some people they don't, and if you don't use one side-by-side with another power meter for a while, you don't know if the data you're getting is good or not. When there are options that don't suffer from that uncertainty available at very similar prices I don't see any compelling reason to buy the Stages.

Now, that's just me. You're different.
So describe the situation in which the "bad" data would adversely affect you.

And you realize that with a PT you have no idea what your power balance is. Just that the number includes both.
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Old 02-21-14, 12:22 AM
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Interestingly, in DC Rainmaker's updated review of multiple powermeters, only the Stages correctly tracked his power during an extended climb in the Angeles National Forest due to the fact that the other powermeters never had a chance to recalibrate (coasting) -- he had to actually pull over and stop mid-climb to do so! How annoying is that? PT and Quark introduced very significant errors due to temperature drift. Stages automatically adjusts for temperature variance. I'll be buying a Stages when I've got the budget.
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Old 02-21-14, 02:49 AM
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you can get used quarq riken for around $800 on ebay. because it came with a full crankset, you can also sell your old crankset for $100-200. That makes the power meter only around $700
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Old 02-21-14, 07:05 AM
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I am curious how is it that the power2 isn't delivering just right sided data and doubling it, if it is located on the spider?
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Old 02-21-14, 07:36 AM
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Originally Posted by Doughboy6 View Post
I am curious how is it that the power2 isn't delivering just right sided data and doubling it, if it is located on the spider?
The spider is connected to the spindle, so any torque applied on the non-drive side gets applied to the spider through the spindle. With the stages, the strain gauge is on the crank arm itself, so it can't detect any power delivered on the other side.
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