Derailleur Size ?

Discussion in 'Mountain Bikes' started by R&R, Nov 5, 2004.

  1. R&R

    R&R New Member

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    Hi, can anyone tell me how does one know what size derailleur to purchase : long, mid, or short.

    Tks.
     
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  2. daveornee

    daveornee New Member

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    You must make sure it matches the range of cogs and chain wheels you use.
    Max Sprocket ?T
    Min Sprocket ?T
    Front Difference ?T max.
    Total Capacity ?T

    T is the number of teeth on cogs and chain rings.
    Longer increases everthing except Min Sprocket.
    It is usually better to error on the side of too long than too short.
     
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