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  1. #1
    Albany West Oz
    Reputation: Freediver's Avatar
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    Jan 2008
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    282

    Falling spring rate on Rush

    Hi, I read a review on the Rush that says it has a falling spring rate, to me that means the compression gets easier the more the shock is compressed, is this correct. Is this brought about by the internals of the shock supplied with the rush or the geometry of the bike?

    Cheers.

  2. #2
    mad aussie
    Reputation: Flying Wombat's Avatar
    Join Date
    May 2004
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    1,124
    Falling spring rate is due to the geometry of the shock arm. as it moves towards the shock mount. However because the air shock has a rising rate you actually get an overall more linear compression stroke. The idea was to allow the bike to use its travel more effectively for its intended use (long XC rides and marathons). The Rush would be horrible with a coil shock for example, unless it had adjustable end compression damping like the Fifth Element, but a coil shock would not fit in with the nature of the bike.
    When you ride a Rush and new Scalpel back to back you really feel the difference in the suspension action. The Rush is linear and plush, the Scalpel is much more progressive, it feels like less than 100mm of travel and requires a lot of pro pedal platform to avoid bobbing early in its stroke, but ramps up over medium bumps.

    Kevin

  3. #3
    Albany West Oz
    Reputation: Freediver's Avatar
    Join Date
    Jan 2008
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    282
    Thanks, appreciate it.

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