That's spectacular! It looks nice and flexible so it could survive brushes with busses.
I love it! Where can I get one, or at least bits to build my own?
I'll post some good how-to pix in this thread over the next few days. But the rough outline is:
1) I nice hard mount - "version 2" used a 12" section of two by four, bolted to the bike rack just behind the seat.
2) Cabinet hinges (two, one right above the other). The kind that snap closed at a 90 degree angle, and snap open at 180 degrees. Bolt one side of the hinges to the 2x4
3) A trowel. Don't laugh. The handle is perfect. The flat, diamond shaped part is where the other side of the hinges bolt. It also holds some "quick release" mount for the 36" side-light strip. My quick release mount is a spring held in place using copper pipe hangars. Hard to convey without pix, I'll get some posted.
4) Home Depot has 4-5' fiberglass round poles, useful for marking driveway corners in deep snow. I'm using 1mm x about 12mm carbon fiber strip from dragonplate.com. VERY flexy. Bends real good when the busses fly by too close, keeps me from being tossed to the ground. The LEDs are programmable addressable LED strips from adafruit.com, but "version 1" used a short strip of LED's from ebay that were dirt cheap.
I actually drive the LED pattern with a $9.99 "ardweeny" arduino clone, and a 1s hard case lipo battery that goes about a month between charges. But the arduino is overkill, you can easily just go with static lights, or simple circuitry.
Pix to follow. The side-light really is a niche that is not filled by any commercial product I've ever seen...