Speedvest is Clever and Cool
The Speedvest is something new that I find a bit geeky but cool. Ok, I admit it, probably no more geeky than riding at night with a bike light mounted on top of your helmet.
This is a biking vest that displays your speed on your back. The Speedvest website provides links to instructions for making the vest. It is not yet commercially available.
This would good for my night rides.