• Is there any way to check a powertap hub is firing. I built up a mtb wheel over the weekend and couldn't get my garmin to detect it. That was just twisting the freehub in my hand though.

  • Spinning it should be enough. If it's not been found before though it could take a while (like a minute) for detection so mount it in your truing stand and spin it. Got batteries in it?

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