your speed will probably go through the roof. most computers use magnets to pick up the revolutions of the wheel...
would be cool to see in person. definitely a "be seen" light. but i'd rather a LED with battery that runs forever, combined with a hub generator. much more effective, but i haven't seen these operate.
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So long. Been nice knowing you BF.... to all the friends I've made here and in real life... its been great. But this place needs an enema.