Does shimano 31.8 clamp on front deraileur work on Ritchey cross steel breakaway?
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  1. #1
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    Does shimano 31.8 clamp on front deraileur work on Ritchey cross steel breakaway?

    So my front and rear deraileurs arrived today. Obviously the 31.8 clamp is too large for the tube at attachment point. Please tell me I can use a rubber strap wrapped around the tube to make this work. Or did I buy the wrong deraileur.

  2. #2
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    I have a 31.8 FD on my breakaway. You just need a shim to take it down to 28.6.
    Mine came with one but I'm pretty sure you can get one at a bike shop for a few $

    something like this

    FSA Derailleur Shim 31.8 To 28.6

  3. #3
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    What is the shim made out of?

  4. #4
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    that one is nylon but others are soft metal
    Either will work but I like the soft metal version
    The soft material grabs tight & helps prevent an over-torqued clamp from crushing the seat tube

  5. #5
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    Does shimano 31.8 clamp on front deraileur work on Ritchey cross steel breakaway?

    What front mech is it? Some Shimano ones come with a shim to take the clamp down from 31.8 to 28.6

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