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  1. #1
    Senior Member RaiderInBlue47's Avatar
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    Jun 2009
    Location
    Middle Tennessee
    My Bikes
    Ross Professional Gran Tour (SS Conversion)
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    Troubles in 5th Gear...

    It's a 1993 Ross Professional Gran Tour. It's a great steel bike after I've played around with it. But I can't figure out what's wrong with 5th Gear!

    It only happens in 5th gear, never happens any other time. Whenever I get into 5th gear and start pedaling harder, the bike kinda juts. It doesn't happen all the time but just usually when I'm accelerating. It's a pretty hard jut, whenever I'm over the pedals and it juts I nearly fall over the handlebars. It's not something that's preventing me from riding, but it is preventing the bike from being perfect. Anyone have a clue what could be going on? My first guess is that it's hitting the front derailleur or something but I don't know for sure.

    Thanks for any help guys.

  2. #2
    DRF aka Thrifty Bill wrk101's Avatar
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    Jan 2008
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    The NC Mountains
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    Too many to list, all vintage
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    Definition of "Jut":

    • bulge: something that bulges out or is protuberant or projects from its surroundings; "the *** in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns"
    • stick out: extend out or project in space; "His sharp nose jutted out"; "A single rock sticks out from the cliff"
    • protrusion: the act of projecting out from something

    I can't make any of these definitions work in this context. Please restate.

  3. #3
    aka Tom Reingold noglider's Avatar
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    Jan 2009
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    West Village, New York City
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    I'm guessing you mean it skips.

    You need a new freewheel and chain. They wear together, and your smallest sprocket wears faster than the others.
    Please put your location in your profile. It makes things so much more interesting.

    Tom Reingold, noglider@pobox.com
    Residences: West Village, New York City and High Falls, NY
    Blogs: The Experienced Cyclist; noglider's ride blog

  4. #4
    coprolite fietsbob's Avatar
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    Jun 2010
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    NW,Oregon Coast
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    What's 5th gear ?, these are not car transmissions.

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