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  1. #1
    mtbr member
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    Good tutorials on derailleur tuning?

    I just got a diamondback with SR SunTour XCM202 front and Shimano Alivio rear deraileurs and I can't get it to shift properly. The chain either falls off one end, gets stuck in between two gears, or, even when it is working, it seems to take several pedal cycles to shift.

    I've been using this: http://www.parktool.com/repair/readhowto.asp?id=75

    but every time I fix one problem (the chain falling off on outside), another one seems to occur (chain rubs on inner side).

    Is there any order I should go about adjusting it?

    I know I could take it to a shop but I'd like to do it myself if possible.

  2. #2
    Kauka Niho
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    Check the Park Tool website http://www.parktool.com/repair/byregion.asp
    Edit: My bad, you've been to the website. I followed instructions verbatim and did not skip any steps, fixes adjustment problems on both front and rear dérailleurs for me.
    Last edited by Duramaxdoc; 11-28-2008 at 11:41 PM.
    2008 Trek 6000
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  3. #3
    mtbr member
    Reputation: cyrix's Avatar
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    Youtube. Seriously youtube.

    Search "derailleur tuning" You'll get tons of results. Watch a few, favorite the ones you like, keep watching till you get it down....at least in memory...
    "Solution to two of the world's problems: Feed the homeless to the hungry."

  4. #4
    A wheelist
    Reputation: Mike T.'s Avatar
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    Shimanos own website has tech info for all their products. Surprise!
    Mike T's home wheelbuilding site - dedicated to providing Newby wheelbuilders with information and motivation.

  5. #5
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    Here's one, http://bicycletutor.com/adjust-rear-derailleur/ and You Tube as stated has a bunch.

  6. #6
    local trails rider
    Reputation: perttime's Avatar
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    Is your derailer hanger straight?
    Are your cables running well (not sticking, not kinked)?

  7. #7
    REALLY?
    Reputation: jeffgothro's Avatar
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    I take it your using the corrisponding shifters for these derailleurs right? Because, you cant use a Suntour shifter for a Shimano derailleur, or vice versa...wont work. The shifters and derailleurs need to be matched with the same brand. Shimano derailleur with Shimano shifter or Suntour derailleur with Suntour shifter. You didnt not say in your post what shifters you have?
    DJ, "Because I'm sure the world need's more dudes stalking the woods stoned out of their mind carrying a deadly weapon."

  8. #8
    local trails rider
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    Front derailer tend to be compatible between brands.

  9. #9
    mtbr member
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    Look here:
    http://www.utahmountainbiking.com/fix/
    Enter "Derailleur, rear tuneup" in the left frame.

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