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: Bottom bracket

  1. #1
    mtbr member
    Join Date
    Jun 2012

    Bottom bracket

    I have a 2012 trek marlin and I'm looking at upgrading a few things. I found a 2x10 sram x7 group online reasonably price but it is missing a bottom bracket. My question is what kind of bb do I need to get to make this group work on this frame? Thanks for any help folks.

  2. #2
    mtbr member
    Reputation: mack_turtle's Avatar
    Join Date
    Jan 2009
    You need a SRAM/ Truvativ GXP exteenal cup bb.

  3. #3
    mtbr member
    Join Date
    Jun 2012
    Any certain size? And thank you

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