Best powermeter?
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  1. #1
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    Best powermeter?

    What is everyones favorite powermeter? I used powertap wheels forever and loved that I never had to do anything with it and it gave me one simple power number to keep track of and make progess on. I'd like to get a replacement along that same vein, something I could set up once and just grab my bike and go with.. I don't need dual measurement or anything like that but I'd like to avoid a hub setup to avoid re building my rear wheel again..

    looking mainly at crank and pedal options.. p2 seems reasonable (anyone clip one in a corner and have issues)? Vector 3 seems unnecessarily complicated, srms are crazy expensive and I'd like to avoid something that just measures one side and doubles it (single pedal/single crankarm)..

  2. #2
    'brifter' is a lame word.
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    Quote Originally Posted by wradom View Post
    What is everyones favorite powermeter? I used powertap wheels forever and loved that I never had to do anything with it and it gave me one simple power number to keep track of and make progess on. I'd like to get a replacement along that same vein, something I could set up once and just grab my bike and go with.. I don't need dual measurement or anything like that but I'd like to avoid a hub setup to avoid re building my rear wheel again..

    looking mainly at crank and pedal options.. p2 seems reasonable (anyone clip one in a corner and have issues)? Vector 3 seems unnecessarily complicated, srms are crazy expensive and I'd like to avoid something that just measures one side and doubles it (single pedal/single crankarm)..
    SRM and Quarq. They are NOT single sided, they just happen to have all the strain gauges on the drive side. That does not mean they only provide power for the right leg. SRM has been the class of the field forever.
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  3. #3
    Slowski
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    For what it's worth: I have a 2nd Gen Stages single sided power meter on my road bike, and I thought the variation between my left and right leg would make the readings inaccurate. I tore everything worth tearing in my left knee about 16 years ago and for a while my left leg was much weaker than my right.

    Later I got a Quarq for my CX bike, and expected to see a power output imbalance between my left and right leg. Nope. 50/50. Yeah, I would totally choose the Quarq over the Stages, but with some of the deals available on Stages I wouldn't pass them up for fear of inaccuracy.

  4. #4
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    I have Vector 3, Pioneer, Power2max S, and a few sets of powertap hubs and I had Stages single arm for a couple years. For simplicity and not needing great left/right data for a crank/pedal based system the Power2max and Pioneer have been flawless. I will make the caviat on the Power2max, it reads about 3-5% lower than my others consistently but what's really important is consistency not absolute accuracy and this is an older model, not their current versions. (I wish Garmin made a power correction factor adjustment option in their head units so a person could adjust the bias from one PM to another).

    Based on my limited experience, for what you are looking for I would go with either the Power2max or Pioneer, and pick the one that has the best pricing you can find if it's for a road bike. If you are doing offroad / gravel / CX I would use the Power2max because it's a more robust design and Pioneer has exclusion wording in their warranty for off road use (or at least did the last time I checked).

    I wouldn't even consider an SRM - they are stupid priced new and need to be sent in for calibration after chain ring changes etc - they are becoming obsolete from a value standpoint IMHO. No experience with Quarq, P1 or other options out there- but you might want to checkout DC Rainmaker power meter comparisons. The P1 pedals are pretty heavy to so personally they wouldn't be on my list to compare.
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  5. #5
    'brifter' is a lame word.
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    SRM is going for $1499.00 with chainrings, barely more than a Quarq once you buy and install rings. The new AXS Quarq is $1200.00. If you have a SRAM crank already that uses the separate spider you can save some money for sure, but otherwise they're close. SRM has come down a ton in the last few years.
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  6. #6
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    Quote Originally Posted by cxwrench View Post
    SRM is going for $1499.00 with chainrings, barely more than a Quarq once you buy and install rings. The new AXS Quarq is $1200.00. If you have a SRAM crank already that uses the separate spider you can save some money for sure, but otherwise they're close. SRM has come down a ton in the last few years.
    Wow, they have come down a bunch - but still I don't see why someone would choose an SRM when you can get a Pioneer Ultegra 8000 for $1000 MSRP - and don't need to send it in to have it calibrated if you change rings etc. On sale the Pioneers have been sub $800 for Ultegra and $1000 for Dura Ace. Power2max has options in the $500 range if you have a crank already and just need a spider (like Rotor etc).
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  7. #7
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    I'm in the middle of a 4iiii factory installation, can't wait to give them a try. They should arrive back in the next week. It's my first foray into power meters. Their shipping cost for the factory install used to be pretty high but seems to have come down (and they now pay both ways), so I decided to give it a try.

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