2007 Specialized Stumpjumper FSR Comp suspension question- Mtbr.com
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  1. #1
    Shaman
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    2007 Specialized Stumpjumper FSR Comp suspension question

    Hey all. New here (well, it's been a very long time).

    I just bought this exact bike: https://aroundthecycle.com/products/...29362910462012

    My question is, this is the second site I've seen referring to the rear shock as a Fox Float 120mm. When I measure from the gasket to the end of the tube (excuse my terminology), its 51mm. What am I missing?
    2007 Specialized Stumpjumper FSR Comp suspension question-img_2825.jpg
    Thanks in advance,
    Rob

  2. #2
    Sneaker man
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    120mm is maybe the amount of travel for the bike with a fox flaot installed from factory, the 51mm is the travel of the shaft bit. 51mm X leverage ratio of suspension give 120mm
    All the gear and no idea.

  3. #3
    Shaman
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    That is exactly what I was looking for. That makes perfect sense. it is the factory shock. Ok, thank you very much.

    Quote Originally Posted by mik_git View Post
    120mm is maybe the amount of travel for the bike with a fox flaot installed from factory, the 51mm is the travel of the shaft bit. 51mm X leverage ratio of suspension give 120mm

  4. #4
    mtbr member
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    I was just looking at these bikes...

    I'm pretty sure the stock shock in the picture is a Fox Triad 185mm long by 38mm travel. (7.25x1.5 in inches). This makes it an oddball because the typical 7.25" eye-to-eye shock has a travel of 1.75 inches (185x44 mm).

    Hope this helps.


    ...

    I may be confused, though... my recommendation is measure the eye-to-eye length (fully extended) and then let the air out and fully compress it and measure eye-to-eye again.
    ...

    Edit again: here is a thread that seems relevant to me, I think I'm getting my sizes mixed up: https://forums.mtbr.com/specialized/...ry-207557.html

  5. #5
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    specialized put "proprietary" length and stroke shocks on their bikes. you can put a aftermarket 190 x 45 or a 200 x 50 or a 200 x 56 on and be fine. the 200x 50 gives 137mm travel and is pretty much the one people do.
    There is a 2007 stumpjumper fsr shock replacement thread that is very informative on here.
    I put a 200 X 50 Manitou McLeod on my 07 fsr pro carbon and really like the performance. makes the fox fork feel like poo though. I may put manitou mattoc on the front and convert the McLeod to 200 x 56 this winter.

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