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Thread: cycle computers

  1. #1
    mtbr member
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    Smile cycle computers

    i might be over thinking this, but does a comptuer work on a fork with travel? i was thinking how does it read if the fork is moving?
    Im thinking about getting a wireless one, does anyone have any pics of there set ups? If so can you help a brother out.

    Thanks
    Last edited by bbell; 11-22-2011 at 02:34 PM. Reason: hit post to early
    BBELL

  2. #2
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    Travel is irrelevent especially if it's wireless.

    Wired means you just run a wire from the pickup, up the fork, to your computer mounted on the bars. With fork travel in mind, ensure the wire runs around the fork with it at it's maximum expected travel. When you compress the forks, since it's wrapped around the fork, you won't have to worry about it getting caught up in a spoke.

    Wireless is the same. The fork attachment has a battery which transmits to the computer how many rpm your wheel turns at. My wireless computer is connected to the rear wheel. One pickup captures pedal cadence, and the other, attached to the spoke, measures wheel rpm (speed).

    Check out youtube for videos on mounting a bicycle computer. It's a 15 minute job at most, with 10 of those minutes being to get it out of the box

  3. #3
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    The wheel doesn't move in relation to the lower fork tubes, which is where you'll be mounting the pickup....so all the bouncing in the world won't affect that....the pickup on the spoke will pass the same area on the fork every revolution.
    "Wait, this thing doesn't have a motor?" - Socrates

  4. #4
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    Quote Originally Posted by swingset View Post
    The wheel doesn't move in relation to the lower fork tubes, which is where you'll be mounting the pickup....so all the bouncing in the world won't affect that....the pickup on the spoke will pass the same area on the fork every revolution.
    What he said. In addition, if you're mounting a wired one, its no problem, just wrap the pickup cord around your disc brake cable. It'll keep everything looking nice and clean and keep the pickup cable away from catching on anything.

  5. #5
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    Thanks for the info everyone Picked up a Cateye Vectra Wireless, easy peazy install.Thanks again
    BBELL

  6. #6
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    MTB in general will affect your 'speed' reading...You could be slower on read-out if you were flying DH and there were points that the wheel was slowed/locked; but for the most part you will 'faster'...
    Say you're rollin over a small boulder...the comp. may read 8" of travel, but you only went 2".
    A GPS is better for trying to measusre speed for MTB imo. - nay, in physics' 'opinion'

    [speed=distance also ^^^]
    Honestly... ahh I give up

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