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  1. #1
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    Why is the Shimano FD-1050 derailleur different?

    All other derailleurs I have seen move the cage up and out when the cable is pulled. The pivot points are perpendicular to the axis of the bike. BUT the FD-1050 moves the cage up, out and FORWARD. The pivot points are at a 45 degree angle to the axis of the bike. Why? TIA Jim

  2. #2
    Gear Combo Guru Chris_W's Avatar
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    May 2007
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    Spec' Tarmac (road), Spec' Secteur Disc (commuter & tourer), Salsa Mamasita (MTB), CoMo Speedster (tandem), Surly Big Dummy (cargo), Airnimal (folder), a train pass, and NO car :)
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    The FC-1050 crankset came with BioPace chainrings, maybe that is part of the explanation.

  3. #3
    Senior Member mechBgon's Avatar
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    The Shimano FDs of that era were the leading-action design (other than Dura-Ace). They are what they are. Generally work great for doubles.

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