10 of the best bike lights and cycle safety gear

SpokePOV

from US$38 adafruit.com
If you want to add some flair to your steed after dark, this persistence of vision kit will let you add the design, text or animation of your choice to your wheels as a spinning light show. Be warned, though – you'll need to be able to solder, and to make the most of it a bit of programming skill wouldn't go amiss either.