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  1. #1
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    Planet Bike Blaze one watt headlight and wireless computers

    A couple of us have tried Planet Bike blaze one watt headlights on the handlebars and the electronics in the light interferes with the Planet Bike Protege 9 wireless computer (and probably other brands as well). You can test this yourself by removing the light and computer from the bike and holding them near each other with the light turned on. When you do that, the computer will usually read 2.5 mph! Has anyone come up with a fix to the headlight to eliminate this problem?

  2. #2
    Senior Member
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    Move the light and the computer as far apart as possible. Buy an ANT+ cycle computer.

    Sadly, most modern lights interfere with non-digital wireless computers. Not much you can really do.

  3. #3
    Super Moderator no1mad's Avatar
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    Main reason why I went with a wired computer was to avoid issues like this...

    If you can separate them from each other on the bars, do it. If for some reason you can't, you might try a Topeak Bar Xtender or Minoura Space/Swing Grip and move the computer to that. Might also see how far apart the two have to be for the interference to stop before spending the money.
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  4. #4
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    Quote Originally Posted by no1mad View Post
    Main reason why I went with a wired computer was to avoid issues like this...

    If you can separate them from each other on the bars, do it. If for some reason you can't, you might try a Topeak Bar Xtender or Minoura Space/Swing Grip and move the computer to that. Might also see how far apart the two have to be for the interference to stop before spending the money.
    I experimented with another wireless computer (Sigma 2209) and that one is unaffected by the Planet Bike light. Separating the Planet Bike Protege 9 computer from the light by 3-4 inches eliminates the problem. I contacted Planet Bike about the situation and was told that they've never heard of the problem and can't duplicate it using their current computers and lights. But, it seems that everyone I mention it to knows about the problem and it seems to be specific to Planet Bike lights. For anyone else who happens along here and is experiencing the problem, my advice would be to dump the Planet Bike light or go to a wired computer. I'll take my Planet Bike computer to a couple of large bike shops and test it beside other brands of lights to see if they also have the problem.

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