Hi Adriana, They aren’t actually colour-coded–they just appeared that way to our eyes with such a lovely line up. (We love bees too by the way! Check out another post today:https://raxacollective.wordpress.com/2013/08/16/live-from-the-hive/. You can also go to “categories” and you’ll see all the posts we’ve done on bees.) Come back again soon!
Organikos 
I’ve never seen color coded bicycles. Are they rent bicycles?
Hi Adriana, They aren’t actually colour-coded–they just appeared that way to our eyes with such a lovely line up. (We love bees too by the way! Check out another post today:https://raxacollective.wordpress.com/2013/08/16/live-from-the-hive/. You can also go to “categories” and you’ll see all the posts we’ve done on bees.) Come back again soon!