cool tech posted by

Reelight CIO – Battery-Free Bike Light! [REVIEW]

Do you sometimes go out on your bike without decent lighting? Or you have no new batteries for your bike light? The Reelight CIO fixes that for you.



  • It works when installed properly
  • After installation no need for batteries or other things
  • Waterproof
  • It’s small, but bright
  • Can’t be stolen
  • Keeps flashing when your not riding


  • Not easy to install
  • If it’s not installed perfectly, it won’t work
  • Doesn’t work on every bike
  • Only for the left side of your wheel



The idea is simple: mount two lights to the bars of your bike and mount two magnets to your wheels. Every time the magnet passes the light (which also has a magnet built in), it will generate power. That way the light will start flashing after you drive for a while. However, if the magnet is not close enough (not correctly installed), it won’t work because it doesn’t generate enough power. If you’re a handy (wo)man, you’ll probably find this easy, but my hands were pretty dirty after 20 minutes of installing these things. The front light eventually worked, the back light didn’t. You can find the Reelight CIO here.

Simon loves gadgets even more than he loves chocolate, and he’s from Belgium… How weird.

Simon Bossuyt – who has written posts on The Red Ferret Journal.

Comments are closed.

comments powered by Disqus

Side Advert

DHgate Cheap electronics gadgets

FB Like Box


Managing Editor:
Nigel Powell

Deputy Editor:
Donyae Coles
Editor at Large:
Dan Ferris
Senior Ecological Editor:
Debra Atlas
Senior Motoring Editor:
Nick Johnson
Reviews Editor:
Simon Bossuyt

Write For Us

Red Ferret Video Reviews