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  1. #1
    mtbr member
    Reputation: cooleymtnbiker1's Avatar
    Join Date
    Jul 2005

    07 Stumpy ft. der. question

    This is for all the FSR der. gurus out there. I have an 07 stumpjumper and the bottom of the front der cage contacts the chain when it is in the smallest chain ring in the front and the lower 4 gears in the back. This is only noticeable when the bike is in the stand. When I am riding, I cannot notice it. This makes sense because the chain line is in a different position when I am riding compared to when it is in the stand. Anyway is this normal? are any other stumpy owners experiencing this too. I would appreciate the feed back.

  2. #2
    mtbr member
    Reputation: Brainstump's Avatar
    Join Date
    Jan 2007
    I have an 07 stumpjumper expert. The front derailer rubs when I use the small chainring and the 5 smallest cogs on the rear freeweel. I only notice it when I ride as I don't have a stand to see what is out of alignment to cause the rubbing. When I stand and apply alot of pressure to the chain, most of the time the rubbing stops. But as soon as I sit it will rub again. Because of this problem, I have gotten used to using the middle chain ring on all but the steepest of climbs. It only happens when using the small chainring.

  3. #3
    mtbr member
    Join Date
    Oct 2005
    when your susp sags it goes away. dude # 2 must be running a higher shock pressure for it to take more pressure to cause the sag to stop the rub.

  4. #4
    mtbr member
    Join Date
    Jul 2003

    Cooley, this is mormal for most FS bikes....

    when in the stand the shock and suspension are fully extended. When you are on the bike the suspensions sags and the contact disapears. Don't sweat it. It can make adjustments a pain as we learn that no noise is good with hardtails and that's how many of us determine if our adjustments are correct. I have an 05 Stumpy and it does the same thing in the stand, but it is completely silent when riding.

    Brainstump! Try taking a link or two out of the chain. Sounds like your chain is a tad too long and is sagging a bit. When you stand and put pressure on the drive train it is tightening the chain up and reducing the rub.

    Good Dirt
    "I do whatever my Rice Cripsies tell me to!"

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