1. The most important thing about buying a new bike is to make sure it fits. The only way you'll know if the bike is right for you is to size up the bike and make sure that the bike's geometry matches your body's geometry. Ask questions and do some research.
mtn. biking 101
2. If possible, try to find a shop that will let you demo the bike on real dirt. Five minutes in a parking lot won't cut it. You wouldn't buy a car without a real world test drive, and a bike should be no different.
3. Don't belive the hype. Just because your favorite rider or best friend rides a certain bike, that doesn't mean that's the best one for you. Have an open mind and be realistic about your needs and ability.
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Thread: Chain problem?

  1. #1
    mtbr member
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    Chain problem?

    Alright I have an 08 Trek 4300. It is about two weeks old and has been out for a total of maybe 10hrs. I ride mostly all singletrack. My problem is when going down a certian trail which is pretty fast and very bumpy my chain tends to fall off. What is causing this?

  2. #2
    mtbr member
    Reputation: MrMook's Avatar
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    Apr 2006
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    290
    Your chain may be too long, or you may have it in a bad gear ratio. You should never have the chain in the small (inner) chainring in the front, and the small (outer) cog in the back at the same time. This will produce a really slack chain, and it's just a bad idea because your chainline is going to be much too skewed. Likewise, you never want to run the largest chainring/cog combo either.

    Read up here to learn about your chain length.

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