Maybe all color displays. My Planet Bike computer is readable (black on light gray) and the display (not sure of the brand) I recently had on an ebike in Germany was readable at all times, even with my sunglasses on. It was also also black on light gray. I would have thought the color displays...
Has no one experienced any issues with the readability of the Espin Flow computer display? I have searched through the various posts and have seen nothing about this, but my display is totally useless in the Arizona sun. The blue on black screen just isn't contrasting enough to see anything...