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  1. #1
    Senior Member bamacrazy's Avatar
    Join Date
    Dec 2008
    Location
    Mobile, Alabama
    My Bikes
    05 Specialized Hardrock Pro, 87 Bianchi Axis
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    Easiest Upgrade Path from 7 Speed Accushift

    I have a 87 cross bike with a 7 speed Sun Tour Accushift index drivetrain w/ triple front crank and bar end shifters. Could I just switch out derilleurs or would I have to change shifters too? I would like to upgrade to 105 or better Shimano or Campy. What would be the least painful path? Specifically what components would you recommend?

  2. #2
    Senior Member Bill Kapaun's Avatar
    Join Date
    Feb 2007
    Location
    Mid Willamette Valley, Orygun
    My Bikes
    86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
    Posts
    6,926
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    The Suntour Freewheel uses 2 different spaings on the same FW.

    http://sheldonbrown.com/k7.html#spacing

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