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Looking for a Tail Light that doesn't suck
(lemmy.ca)
A place to share our love of all things with two wheels and pedals. This is an inclusive, non-judgemental community. All types of cyclists are accepted here; whether you're a commuter, a roadie, a MTB enthusiast, a fixie freak, a crusty xbiking hoarder, in the middle of an epic across-the-world bicycle tour, or any other type of cyclist!
Community Rules
No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia.
Be respectful. Everyone should feel welcome here.
No porn.
No ads / spamming.
Ride bikes
Other cycling-related communities
I've been using a Garmin Varia for the past couple years while road cycling and love it. The built in radar might be a bit of overkill if you're not using a bike computer while commuting, but I've found it super useful.
https://www.garmin.com/en-US/p/698001
I love the Garmin idea - especially because they are local, but I really don't need the radar functionality. I don't even own a computer, I just use my (Garmin) watch for tracking rides.
It's quite likely that you'd be able to connect a Varia to your Garmin watch if it's a reasonably recent model. Then you could get radar alerts as vibrations on the watch.