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  1. #1
    Join Date
    Mar 2019
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    Grandma's Basement
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    465

    [MTB] - How hot do rear shocks get

    Alright nerds - I am fixing to do some science on my mountain bike rear shock, and I was curious on what type of temp rise one could expect to see on a relatively average sized trail shock with a piggy back, after descending ~ 1500' of rough trail.

    Obviously there are a shit ton of factors here: Shock volume, shock size, preload, pressures (internal and external).

    but in general, could one expect to see... 25C, 50C, 75C rise?

    It would be cool to see temps of shocks after a hard run using one of those flir thermal cameras you can get for your phone...
    "Poop is funny" - Frank Reynolds

  2. #2
    Join Date
    Dec 2007
    Location
    Hell Track
    Posts
    11,101
    You talking air temp (in an air shock), oil temp, or shock body temp?

    I've heard oil temps hit maybe 150F. Plenty of Pro DH guys monitor their shock temps.

  3. #3
    Join Date
    Dec 2016
    Location
    In a van... down by the river
    Posts
    8,567
    'Bout tree fiddy.

  4. #4
    Join Date
    Nov 2005
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    Down In A Hole, Up in the Sky
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    31,233
    That figure is eminently mutable, and is based on how much you would like to spend.
    Forum Cross Pollinator

  5. #5
    Join Date
    Mar 2019
    Location
    Grandma's Basement
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    465
    yeah I guess I was looking at it from an air can perspective for an airshock, since I am most curious on making some of my own air volume spacers and what temp ranges I'll need to accommodate for.
    "Poop is funny" - Frank Reynolds

  6. #6
    Join Date
    Mar 2008
    Location
    CO
    Posts
    2,370
    My super deluxe is solidly "hot as fuck" degrees after bike park laps. Like hard to hold a gloved hand on it for more than a couple seconds. #science
    Quote Originally Posted by other grskier View Post
    well, in the three years i've been skiing i bet i can ski most anything those 'pro's' i listed can, probably

  7. #7
    Join Date
    Mar 2019
    Location
    Grandma's Basement
    Posts
    465
    Realized I have some thermal cameras at work, maybe ill borrow them for a day and take some photos and report back.

    Any dorks/nerds interested in something like that other than me?
    "Poop is funny" - Frank Reynolds

  8. #8
    Join Date
    Feb 2005
    Posts
    15,843
    Wrong forum JONG.
    Is it radix panax notoginseng? - splat

  9. #9
    Join Date
    May 2016
    Posts
    1,743
    You can get a gun type thermometer cheap at home depot. Will not log data but you can check at the end of a dh

    https://www.homedepot.com/b/Electric...vZboffZ1z1180y
    I <heart> hot tele-moms

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