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  1. #1
    mtbr member
    Reputation: Polar Bear's Avatar
    Join Date
    Mar 2008

    Old LX Cranks - new bottom bracket?

    Hey everybody,

    I have a set of 1991 Shimano LX Cranks that I wanted to use in a frankenbike project. Does anyone know if I can still get a Bottom bracket that will fit these cranks? The bike is a 1991 Trek 7000 that was sitting in a garage since 1992. I'm building up a singlespeed winter bike for snow/road salt/abuse kind of stuff.


  2. #2
    All 26.5" all the time!
    Reputation: Zanetti's Avatar
    Join Date
    Sep 2005
    The size you'd normally need for that crank/frame combo would be a square taper 73x127mm, but you might ba able to get away with a shorter spindle depending on the chainline of your SS setup.

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