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  1. #1
    Lord of the Chainrings
    Reputation: Mudd's Avatar
    Join Date
    Apr 2002
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    2,925

    NuVinci & HammerSchmidt Combo Anyone?


    Sounds crazy, but has anyone ever tried a Fallbrook Technologies NuVinci hub in back with a SRAM HammerSchmidt up front? Sounds like it would be a "seamless" shifting setup with a lot of range....

    http://www.fallbrooktech.com/08_Bicycle.asp

    http://www.magicmechanics.com/home.php?lang=en
    "Hesitation is the Mother of Failure!"

    ~~ 951 for Dirt & Roadster for Asphalt ~~

  2. #2
    On MTBR hiatus :(
    Reputation: Speedub.Nate's Avatar
    Join Date
    Dec 2003
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    9,145
    On paper, the ratios look like they might work, except for one little problem:

    NuVinci calls for a minimum chainring:cog ratio of 2.0:1.

    The Hammerschmidt is 24/38 gearing, and NuVinci's recommended gearing is 38:18 (2.1:1).

    In theory, running Hammerschmidt + a 16T cog would extend your upper range and give you a whole bunch of low gear to play with, but 24x18 would result in a 1.3:1 ratio -- definitely below their suggested minimum.
    speedub.nate
    MTBR Hiatus UFN

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