Won't Stay In GEAR!!!- Mtbr.com
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  1. #1

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    Won't Stay In GEAR!!!

    Hello everyone...

    I have a 2003 Trek 4500 I recently purchaced new from my LBS. I was out today taking it on it's inaugural offroad ride and was having the darnest time with the lowest gear. For the life of me, I couldn't keep it in the lowest gear on any reasonably steep climb. It would just snap back to the next highest gear on the cassette. VERY frustrating.

    The rear derallieur is a Deore. This doesn't seem "normal" to me... is this a common problem with a new bike? Any thoughts?

  2. #2
    No time to ride.
    Reputation: Kölsch's Avatar
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    Needs a stop screw adjustment ..
    .. go back to the shop and tell
    them to adjust the screw.

    If you bought from my shop ..
    .. that bike would've been
    tuned to a T, ready to go.

    What a disappointment.

    One other thing ..
    .. hopefully they offer
    free tune ups for a year.

    Those wound cables will
    lose tension and need adjusting.

    If they don't, tell them to pre-stretch them
    and readjust the derailleurs ..

    Wheels will come untrue as well ..
    .. bring all this to their attention.

  3. #3

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    Cable strech can plaque almost any new bike...thats why most LBS's will offer a free 30 tune up or the like..my shop does free lifetime adjustments just for that reason. Your LBS should adjust your cables for free, after that it should be gravy. If that doesn't work you may want to try the Cool Whip/Microwave technique....lol

  4. #4
    No time to ride.
    Reputation: Kölsch's Avatar
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    Quote Originally Posted by The_Real_Cyclesmith
    .. If that doesn't work you may want to try the Cool Whip/Microwave technique....lol
    Yes, very effective.

  5. #5

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    Thanks for the help... My LBS did offer free adjustments and tune-ups when I bought the bike, so having them help me fix it should not be a problem. So far I've been very satisfied with their prices and service, so I don't anticipate any problems with them resolving this.

    OK, I'm going to bite on the "cool whip/microwave" thing... what's that all about? Just messing with a newbie, trying to get him to pour Cool Whip on his bike so you can stand back and go "Ha ha!"?

  6. #6

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    The MCMS Cool Whip Method needs to be stickied

  7. #7
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    Quote Originally Posted by GF_Tassajara
    .. go back to the shop and tell
    them to adjust the screw.
    Don't tell them to adjust the screw...just tell them what's wrong with it. Techs don't really like people telling them what to do.

  8. #8
    Code Monkey
    Reputation: MikeG's Avatar
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    ... and if we just ... Cool Whip Method ...

    was kind of an inside joke. But since we're all part of the mtb brother/sister/neighbor hood, here ya go...

    http://forums.mtbr.com/showthread.php?t=31715
    "Cycle tracks will abound in Utopia" - H.G. Wells.

  9. #9
    KCC
    KCC is offline

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    It is probably just cable tension, cable is not tight enough. Cables loosen up or "Cable Stretch". I like to keep my tension as tight as possible. I tighten the cable with the barrel adjuster by turning it counter clock wise until the chain makes noise with the next biggest cog, then I back of the tension 1/4 turn of the barrel adjuster at a time until the noise goes away.

    But take it back to the LBS, they will be happy to correct it. Then learn how to do this yourself. Mountain bikes tend to take a lot of maintenance and it is good to do most of it yourself versus tying up $$$ and valuable riding time with your bike at the LBS.

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