Valve-cap LEDs may be tacky, but they'll also make you safer at night
Here's a case where tacky novelty can actually result in something that keeps you safe and also makes you look cool. The Flash Tire Wheel Valve Cap Lights pretty much sum up their function in the name: they are little LED lamps that replace your bike valve dust caps.
The little battery-powered lights screw onto a Schrader valve (the fat kind also found on cars and motorbikes) and glow like tiny Lightsabers. For such a cheap items (just $3 per pair on Amazon), they're actually pretty smart. Instead of switches, the lights have motion and light sensors so they only turn on when you're moving and it's dark. Once you get going, they'll paint a virtual circle of light in the air.
Be careful, though. Fellow gadget blogger and Wired.com alumnus John Brownlee put something similar onto his bike when he lived in Berlin, Germany. His lights were bigger and flashier, but the effects on the normally calm and bike-friendly population of Berlin were startling. Poor John was heckled and even had beer bottles thrown at him on one night ride.
If you decide to risk it, strap on a helmet and grab a pair in red, green or blue.
Flash Tire Wheel Valve Cap Lights [Amazon via Red Ferret]
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