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  1. #1
    Sofa King We Todd Did
    Reputation: SpinWheelz's Avatar
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    7-speed derailleur + 9-speed cassette?

    I've got an old-school Shimano LX derailleur that came off an early '90s 7-speed bike (see reference picture below). Will it work with a 9-speed cassette? I've got 9-speed shifters that I need to use, so either it works, or I'm gonna have to pony up for a new 9-speed derailleur as well.

    Would this 7-speed derailleur have enough 'range' to cover 9 cogs in the rear?

    Thanks in advance.
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  2. #2
    Mantis, Paramount, Campy
    Reputation: Shayne's Avatar
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    Sure, No Problem

    The range of motion of derailleurs hasn't changed in a long time, if ever. You could use a derailleur from the '60's with your 9 spd shifters if you had one laying around.
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  3. #3
    Sofa King We Todd Did
    Reputation: SpinWheelz's Avatar
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    Thanks for that, Shayne. Really appreciate you saving me about $50 on a new derailleur!

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