# Power meter inaccuracies **URL:** \ **Category:** Equipment\ **Created:** [May 7, 2023, 4:12pm UTC](https://wahoox.forum.wahoofitness.com/t/power-meter-inaccuracies/22662 "2023-05-07T16:12:30Z")\ **Posts on this page:** 1\ **Showing post:** 14
**Author:** ![Sir\_Brian\_M](https://sea2.discourse-cdn.com/flex020/user_avatar/wahoox.forum.wahoofitness.com/sir_brian_m/32/268_2.png) [@Sir\_Brian\_M](https://wahoox.forum.wahoofitness.com/u/Sir_Brian_M)\ **Post date:** [May 8, 2023, 2:15pm UTC](https://wahoox.forum.wahoofitness.com/t/power-meter-inaccuracies/22662/14 "2023-05-08T14:15:37Z")
A man with one power meter… I’ve been down this road, started with a SS Stages, compared to a Kickr v1. I hated the Kickr because it was reading low. Wouldn’t use ERG. Sold my Kickr, tried rollers (not good in a condo with neighbors), bought Garmin Vector dual-sided power pedals, bought a STAC Zero, finally back to a Kickr and using ERG mode. So in my rabbit trail of pursuing power readings (and significant expense), I discovered I’m left leg dominant, so my Stages was reading high. My v1 Kickr wasn’t all that accurate either, but closer than the Stages. My Garmin pedals read higher than the STAC Zero (it was great but I had to replace the Zero when my next bike came with a through axle) and also a bit higher than the Kickr 2018. All that to say, I only found peace with this by choosing a “source of truth” for indoor training. Consistency beats accuracy every day. Multiple sources only drove me batty. > **[Segal's law](https://en.wikipedia.org/wiki/Segal%27s_law)** > > Segal's law is an adage that states: > .mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 40px}.mw-parser-output .templatequote .templatequotecite{line-height:1.5em;text-align:left;padding-left:1.6em;margin-top:0} A man with a watch knows what time it is. A man with two watches is never sure. The mood of the saying is ironic. While at a surface level it appears to be advocating the simplicity and self-consistency obtained by relying on information from only a single source, th... --- _[View the full topic](https://wahoox.forum.wahoofitness.com/t/power-meter-inaccuracies/22662)._