Project Aura is actually a really good idea: rim-mounted LEDs that change colors based on how fast you ride—self-powered (by a front hub dynamo) to boot. It's the brainchild of Ethan Frier + Jonathan Ota, industrial design students at Carnegie Mellon Uni who admirably addressed the issue of nighttime cycling accidents with an idea and a Small Undergraduate Research Grant (SURG).
Maybe too 'flashy' for me personally (no pun), but safety first!
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