The best bike lights fall into one of two categories. The first help other road users (cars, primarily) see you. They're usually run at night but increasingly riders are opting to run them as ...
Compared to even moderately decent modern lights - let alone any from my guide to the best bike lights - those old ones were basically useless, but Cateye has come a very long way since them.
The Beryl Laserlight Core and Garmin Varia UT800 front bicycle headlights both offer some kind of smart feature, be it the ability to beam a laser bike path a few metres ahead or automatically ...