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  1. #1
    Senior Member bluenote157's Avatar
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    shimano front derailleur compatibility???

    I have a 9speed 105 octalink double crankset fc-5502 and a set of 9speed tiagra sti's. I'm looking for a compatible front derailleur. Anyone know if the very first generation 105 fd will work with a 9speed double even though it was designed for a 6/7 speed??

  2. #2
    Reeks of aged cotton duck Hydrated's Avatar
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    It should work fine.

    The nasty little secret about front derailleurs is that they are very low tech. Hell... you could get rid of your front derailleur and shift from chainring to chainring by nudging the chain with a stick if you wanted to. They can work fine as long as the chain is narrow enough to pass through without rubbing the cage.

    The only problematic case that I can think of is if you use a narrow 10 speed derailleur with a wider chain that leaves little clearance in the cage. Even then it would still prolly work... you'd just have to trim it after every shift.
    It is the mark of an educated mind to be able to entertain a thought without accepting it.-Aristotle

  3. #3
    Senior Member bluenote157's Avatar
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    thanks! I guess they are pretty much like the rear derailleurs cuz i'm using a 105 6speed with my 9speed cassette/STI. Thanks for your reply.

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