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  1. #1
    Junior Member Troywanker's Avatar
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    speedo magnet swap??

    I just got a cateye vectra from a friend but its missing the magnet......can I use any ol' speedo magnet or are they model specific? also where would I find a manual on how to set the durn thing up or if anyone would mind explaining thatd be helpful. thanks!

  2. #2
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    Magnets are magnets as far as the sensor is concerned. Use any bike magnet you want

    Aso try using Google to search for certain documents that you want to find. As an example, searching for "cateye vectra manual" or "cateye vectra .pdf" will probably turn up results related to the search input.

  3. #3
    coprolite fietsbob's Avatar
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    given the magnet is just the trigger for the pulse of current made in the sensor,
    I'd say any would do , some stay in position better than others..
    set-screw into the spoke sorts..

  4. #4
    Senior Member himespau's Avatar
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    I've also heard that some magnets are more powerful than others. So if you can glue a rare earth (?) magnet onto the magnet that's already on there, you might bet more accurate sensing of the signal without it having to be quite as close to the sensor. Just something I heard so may not be accurate at all.
    Punctuation is important. It's the difference between "I helped my uncle, Jack, off a horse" and "I helped my uncle Jack off a horse"


  5. #5
    Time for a change. stapfam's Avatar
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    My theory is that a magnet is a magnet. BUT-I have had a computer many years ago that did not work with any other magnet than the one supplied for it. No idea why and never had it with any other computer. In fact My Ultegra wheels came with a Shaped spoke specific Magnet for those spokes and it works on the cat eye computers and my Garmin Edge GPS.

    And find the Cateye website and details of set up should be on there.
    How long was I in the army? Five foot seven.


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  6. #6
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    Quote Originally Posted by himespau View Post
    I've also heard that some magnets are more powerful than others. So if you can glue a rare earth (?) magnet onto the magnet that's already on there, you might bet more accurate sensing of the signal without it having to be quite as close to the sensor. Just something I heard so may not be accurate at all.
    Actually you don't have to glue it. My cadence magnet on the crank was too far from the sensor to work reliable so I just left it where it was and stuck a rare earth magnet to it. Magnetism holds them as tight as glue. Has been reliable ever since.

  7. #7
    Senior Member wahoonc's Avatar
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    I have lost more than a few magnets over the years, always got a universal replacement from the LBS, or used left overs from out of the spare parts box.

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

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  8. #8
    Icantre Member stonefree's Avatar
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    Small neodymium disc magnets are available at hobby lobby in packs for a few bucks.
    "If we don't change direction, we will end up exactly where we are headed."

  9. #9
    Senior Member The Chemist's Avatar
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    Quote Originally Posted by jtaylor2 View Post
    Actually you don't have to glue it. My cadence magnet on the crank was too far from the sensor to work reliable so I just left it where it was and stuck a rare earth magnet to it. Magnetism holds them as tight as glue. Has been reliable ever since.

    Steel cranks? This wouldn't work with aluminum cranks, since aluminium is not a magnetic metal.
    Luke Richardson - Shanghai, China
    Giant FCR3500 - "Big Red"

  10. #10
    Senior Member wahoonc's Avatar
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    Quote Originally Posted by The Chemist View Post
    Steel cranks? This wouldn't work with aluminum cranks, since aluminium is not a magnetic metal.
    I took it to mean he stuck the second magnet to the original one.

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
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    "Steel: nearly a thousand years of metallurgical development
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    Which one would you rather have under your butt at 30mph?"
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  11. #11
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    Quote Originally Posted by wahoonc View Post
    I took it to mean he stuck the second magnet to the original one.

    Aaron
    That's correct the original magnet was on a bracket that was fastened to the crank with two tiewraps. I just stuck the rare earth one to it. I got a package of 10 from Harbor Freight for $1.50. I stuck a couple in my patch kit in case I loose one on the road, but so far haven't lost any.

  12. #12
    Junior Member Troywanker's Avatar
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    Got it under controlled, my buddy had an old one seems to be workin fine. been loggin miles and seein how fast im goin.

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