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  1. #401
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    Quote Originally Posted by prj71 View Post
    Your center of gravity is about 4 ft off the ground. The lower bottom bracket making the bike corner better or feel more stable is a myth. But it is the difference between getting a pedal strike and not getting a pedal strike.

    Dropper post will solve your feelings of instability.
    From my perspective your CoG is at your feet on the pedals.

  2. #402
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    Quote Originally Posted by Suns_PSD View Post
    From my perspective your CoG is at your feet on the pedals.
    The CG of your body when you are standing up is roughly a couple of inches below your navel. It is dependent on your body position of course, and will be a bit in front of your waist/navel when you're in typical mountain biking position.

    For a given amount of leg "compression" (i.e., a specific set of ankle/knee/hip angles), a higher bottom bracket relative to the ground will move your CG higher a corresponding amount. To get the same CG height above the ground with a higher bottom bracket, you need to compress your legs more to lower your body relative to the bottom bracket. Thus, a bike with a higher BB may make you feel taller and less steady.

  3. #403
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    I like "taller and less steady" as I allows me to throw the bike around more easily. Too "steady" makes the bike feel like it's velcroed to rails- handles great on mellow terrain in a straight line. Not so good for vaulting over rocks.

  4. #404
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    Quote Originally Posted by mack_turtle View Post
    I like "taller and less steady" as I allows me to throw the bike around more easily. Too "steady" makes the bike feel like it's velcroed to rails- handles great on mellow terrain in a straight line. Not so good for vaulting over rocks.
    Allows a quicker change of direction as well. Low is great for a single turn, higher is better for S turns. This is to a point. Too high will feel cumbersome i prefer 13.5 to 13.75 for mid travel bikes.

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