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  1. #1
    barnfullagts
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    What size Frt Derailleur for a 96 Trek Y-22?

    Hoping one of you mechanics out there will know what size front derailleur clamp fits on a 1996 Trek Y-22.
    Thanks!
    GT's in the barn: 67 and counting.

  2. #2
    Senior Member
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    Feb 2005
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    Oklahoma
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    I would have expected a Y frame Trek to have a braze-on type derailleur. Are you sure you need a clamp-on?

  3. #3
    barnfullagts
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    y-22 Front Derailleur size

    If you search pics of them they all show clamp type frt derailleurs just can't tell if they are 31.8 or 34.9mm without having the frame to put a micrometer on.
    GT's in the barn: 67 and counting.

  4. #4
    Senior Member
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    This is just a guess but, based on all of the other Treks I've owned and worked on, I'd put money on the clamp being 34.9 mm.

  5. #5
    New Orleans
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    I had a Y-22-my memory say Hillrider is right-34.9.Now I do remember that the Y-22 had a different style 34.9 than the Y-50.They were both 34.9 but one was was top swing,one was bottom swing.Both top pull,I think.
    34.9 I'm sure now that I thought about it.
    Charlie

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