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Chain “catching” in Low gear rear de. (Shimano 105)

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  • January 14, 2012 at 9:20 am #14808
    seabass89

    Hey peeps..

    From having looked through a myriad of youtube videos on gear set-ups that I could see that the shop where I got my bike had set it up completely wrong. In fact, it was all over the place.

    I’ve fixed the front de. so that the chain never rubs, and shifts smoothly and crisply.

    The rear mech shifts flawlessly too, but for some reason (which – I can’t figure out, a bit noob – sorry) the chain is “catching” when it is in the lowest gear (big cog) when I spin the pedals the right way, and if I spin the pedals backwards it actually hops down 1 or 2 cogs by itself.

    Without saying more, is anyone skilled enough to know exactly whats wrong, or should I post a video?

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Viewing 6 replies - 1 through 6 (of 6 total)
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  • January 15, 2012 at 10:46 pm #661425
    0
    seabass89

    I was in the high cog in the
    I was in the high cog in the front =P~

    Doing a neat cross-over..

    January 15, 2012 at 9:11 pm #661423
    0
    charliemac74

    Be honest, you can tell us if
    Be honest, you can tell us if it is really a Campag mech. Don’t be ashamed.

    January 15, 2012 at 8:55 pm #661421
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    giff77

    Yeah, we’ll not slag you.
    Yeah, we’ll not slag you. Remember – one big happy family here 😉

    January 14, 2012 at 11:12 pm #661419
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    dave atkinson

    Quote:Found out in the end

    Found out in the end though and I am too embarrassed to say what it is..

    come on, spill the beans 😀

    January 14, 2012 at 11:05 pm #661417
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    seabass89

    Yeah, I was messing with that
    Yeah, I was messing with that for awhile Dave, and it did help a little..

    Found out in the end though and I am too embarrassed to say what it is..

    No however, the chain jumps off the big cog when I shift from small to big in the front.. Taking it back to the store.. Should have been sorted out there

    January 14, 2012 at 2:47 pm #661415
    0
    dave atkinson

    sounds like you might have to
    sounds like you might have to wind the low adjustment screw out half a turn to allow the chain to seat properly on the big cog.

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