A few years ago, I decided to have a play with using a power meter in my training. Because I wasn’t too sure about how useful I’d find this, I went with the cheap option – a Polar CS600X with WIND speed and power/cadence sensors. This worked reasonably well – at first – but I’ve had no end of problems with reliability. Mostly this seems to be because there are several essential components in the WIND power meter system: the power supply, the chain tension sensor, the cadence sensor and the chain speed sensor. If any one of these elements doesn’t work, you see no power or cadence reading, and there is virtually no diagnostics available to figure out where the problem lies (except if there is no power). And what is particularly annoying is that the setup can work fine one day, and the next (with the bike not moved from the turbo trainer) it doesn’t the next day.
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