Auto start recording. No buttons. Or a little wireless button that can be stuck somewhere that’s easily accessible. Pair it with a speed / distance sensor or in a wheel based power meter sensor and you get most of that stuff you’re talking about, minus gps and hr. But maybe you weren’t recording HR anyway. Maybe you’re riding on a track. Or a flat crit.

I’ll give you an example. If I were to take my mountain bike out on the local trail, GPS data isn’t going to tell me where the hills are. There aren’t any major climbs, but there’s lots of features that require massive spikes in power. A few feet left or right on the trail and I’m not going over the same feature on the trail. GPS doesn’t really add anything. Looking at data during the ride won’t add anything. But what I would be interested in is post ride analysis, what were my peaks, is my training helping or not, did my adjustments to suspension settings result in more speed around the trail normalized to power output? Maybe I don’t want to carry a head unit and phone because there’s a high chance of crashing and losing / damaging the electronics, but a PT hub is pretty unlikely to get damaged.


You STILL haven’t given an actual reason that the data should not be recorded in the PM. Just reasons that you think it wouldn’t be valuable, to you.

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