• It's not really as black and white as that is it? If it's the only PM you own then whether or not it's truly 100% accurate (when measured against an SRM) is less important than it being 100% consistent. Depends on whether you are looking at it as a training tool (combined with hr and cadence data) or a measuring device.

    I was very happy with mine as a training tool when it was the only one I had... Now I have the luxury of 3, and I still use it. Just not for big efforts. Making wattage re-calculations is hard when you're thrashing away at 160rpm.

  • Let me repeat: It once again boils down to 'the particular rider being happy with x error margin at x price point'.

    If it's the only PM you own

    Why would you buy it?

    being 100% consistent

    Which I think isn't or at least wasn't the case.

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