Have you ever wanted to use a 12 volt power source for a light
or accessory on you bike, but found that your water bottle cage
couldn't hold it? Well, here is a solution to a common problem
us cyclists face. It's also weatherproof.  Step 1: Materials
You will need:  1 bar of aluminium, preferably 1" in width, the
lenght will be adjusted to fit your bike 1 hex key or
screwdriver, depending on what type of screw is used to fasten
the cage to the bike frame. 1 drill bit of the diameter of the
screw 1 drill or drill press a couple of zip ties to hold down
the battery(s) Greetings-<br> This is not a flame, it's intended
only as a constructive criticism. Don't take it personally,
please.<br>-&gt; Fasten those zipties, and YOU'RE ready to
go!<br> If you want people to respect what you write, you need
to write like someone respectable. Get our notice for what
you're saying, not merely for how it's said, okay? <br> It's a
simple, logical Instructable, no extraneous data, I call it well
done. I did exactly the same th