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Help with Ultegra Shifters

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  • June 27, 2019 at 9:04 pm #29808
    Deepreddave

    Hi I am new to road biking. I have quite a basic question about the number of clicks to change gear. My new bike has Ultegra 6800 shifters. I am finding that to move to a bigger cog at the back (ie up a gear) I need to push the right shifter so it clicks twice not once. If I only move it one click it tries to move but then drops back down. I have tried adjusting the barrel adjuster as I feel like it should only need one click but am having no success. Have I misunderstand as two clicks seems to work. I would very much appreciate the advice of those with more experience!

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  • June 28, 2019 at 8:29 am #944959
    0
    kil0ran

    Deepreddave wrote:

    Deepreddave wrote:
    Thanks. It’s a new bike so nothing should be worn and the shop should have got the limit screw settings right. I don’t live near the shop I bought it from so might have one last tinker now I know what I am aiming for and then drop it in to my local shop if not. Thanks for responses and help.

    It definitely won’t be the limit screws. They’re pretty much set and forget.

    How new is it? Often you need a tune up after the first few miles as the outer housing settle into the frame stops and ferrules. However, if you’ve run out of adjustment with the derailleur barrel adjuster that wouldn’t account for it. 

    Small moves are the key – half turn at a time – once you know what you’re doing it’s a quick job.

    June 28, 2019 at 7:21 am #944957
    0
    iandusud

    Where do you live? There

    Where do you live? There might be someone here near you who would have a look at it for you. If you’re in or near Harrogate I’d be happy to.

    June 28, 2019 at 7:08 am #944955
    0
    Deepreddave

    Thanks. It’s a new bike so
    Thanks. It’s a new bike so nothing should be worn and the shop should have got the limit screw settings right. I don’t live near the shop I bought it from so might have one last tinker now I know what I am aiming for and then drop it in to my local shop if not. Thanks for responses and help.

    June 27, 2019 at 10:46 pm #944953
    0
    Freddy56

    go to your local bike shop,

    go to your local bike shop, gear set is £15 and they can check will it over and you wlll make a friend.

    June 27, 2019 at 9:51 pm #944951
    0
    kil0ran

    Almost certainly a tension

    Almost certainly a tension issue. Should be a single click.

    You need to increase the tension by screwing out the barrel adjuster (caution – be careful not to unscrew it completely from the derailleur – that way lies the risk of stripped threads and swearing)

    If you’re out of adjustment using the barrel adjuster then wind it all the way back in, then back it out 1 full turn. Once you’ve done that you need to detach the cable from the derailleur pinch bolt and tighten the cable by yanking on it (or use a third-hand tool if you must). Then its just a question of tweaking the barrel adjster on the mech until you get reliable shifting.

    Small moves of the cable tension barrel adjuster are required in order to do this. 

    For further info see this manual

    https://si.shimano.com/pdfs/dm/DM-RD0003-09-ENG.pdf

    You need the section on SIS adjustment (Page 14 onwards)

    June 27, 2019 at 9:37 pm #944949
    0
    Hirsute

    Should be one click to move.
    Should be one click to move. If you push more and hold, it should move 2 or 3 cogs across.
    I’d be checking the basics – that the high and low settings are correct, that the cable tension is right and the cable is not worn and is moving correctly.

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