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  1. #1
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    StumpJumper Alloy 29 needs new shock

    Hi everyone. I've ridden mountain bikes since 1984, even had a light green Stumpjumper from 1984. Longer story shorter, I've gotten old, broken and fat. So I bought a Stumpjumper ST Alloy 29, medium size to get back in shape. When I ride, the rear shock bottoms out due to my 315 lb weight. Fox makes a rear shock that holds 300 lbs of pressure, but I don't know what dimensions or size to get. I sent a message to JensonUSA about a Fox Float X2, but they said "this shock does not come in the appropriate size, good luck." Does any one know of a shock that will work?

  2. #2
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    Did you get the model with the x_fusion shock? The next model up has a Fox Float DPS which I think can take 340 psi. You'll need a shock that measures 190mm x 42.5 mm. Rockshox RT3 could be another option as it comes in the expert model.

    Edit-

    After thinking about it. I am, however, a little skeptical that that would fix your bottoming out. I was looking at the regular travel Stumpjumper and was using the Specialized suspension calculator. For me at 230 pounds it wanted 319 psi in the Fox DPS shock. I just pedaled around the Stumpjumper Evo last week. The suspension calculator put me at 296 psi for the Fox DPX2 piggyback shock. Food for thought, but you may want to look into what your LBS says or maybe even check with Specialized directly before spending money on a new shock.

  3. #3
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    Yes. it is a X-Fusion.
    Thank you, I looking for a Fox Float DPS in 190 x 42.5 now.

    edit.
    I can't find any 190 x 42.5.
    I'm wonder if Spokes bicycle in Fairfax "saw me coming."
    Also. I've tried to contact Specialized, but they ignore my e-mails.

  4. #4
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    I have the same Alloy ST...awesome bike.

    I wonder if a coil-shock would be the way to go.
    Do heavy riders have good results from coil shocks?

  5. #5
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    Quote Originally Posted by Violater1 View Post
    Yes. it is a X-Fusion.
    Thank you, I looking for a Fox Float DPS in 190 x 42.5 now.

    edit.
    I can't find any 190 x 42.5.
    I'm wonder if Spokes bicycle in Fairfax "saw me coming."
    Also. I've tried to contact Specialized, but they ignore my e-mails.
    I sure hope your LBS wouldn't do that. Have you tried calling them and seeing what they say about your situation?

    Hopefully Specialized will get back to you.

    Cane Creek has a DBair IL at 190x42.5 just for the Stumpy ST. Maybe they can custom tune it for you. May be worth calling them and seeing what they say.

    Sent from my SM-G960U using Tapatalk

  6. #6
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    Thank you. I got through to Fox and they make a special shock for my Stumper. It is Fox DPS rear shock 972-63-200, around $450.00. Thank you everyone.

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