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  • 105 5800 left hand shifter not working any ideas
  • karnali
    Free Member

    Front shifter not working on bike, doesnt click when trying to shift up can move it about 2/3 of way but know click just very stiff. Have taken cable out but still the same. Any ideas??

    Ta

    Posted 6 years ago
    simondbarnes
    Full Member

    Have you taken the cable fully out or just undone it at the mech?

    Posted 6 years ago
    stevious
    Full Member

    I’ve fixed ultegra ones with similar issues with a spray of WD40 in the mechanism.

    Posted 6 years ago
    avdave2
    Full Member

    My 5800 front mech had an issue whereby if you accidently changed down when you were already in the smaller ring it would no longer change up, it behaved as you are describing. If I then used my hand to push it over while changing everything would work again, up and down with no issues. The bike had to go back for a warranty frame replacement and the problem went away never to return. I spoke to the mechanic who rebuilt everything as part of the warranty work and he put it down to a cable issue. As that was the only thing changed I guess it had to be that.

    Posted 6 years ago
    pdw
    Free Member

    Possibly strands of cable stuck in the lever. I think there’s an access panel on the bottom you can remove to check. Disconnect all cables, stick a fresh inner in, gently pull on the inner where it comes out of the lever and see if the lever works correctly.

    Posted 6 years ago
    avdave2
    Full Member

    <span style=”color: #444444; font-size: 12px; background-color: #eeeeee;”>Possibly strands of cable stuck in the lever</span>

    I’m pretty sure the mechanic I talked to said it could be a little as a single strand causing the issue.

    Posted 6 years ago
    karnali
    Free Member

    Thanks, yes took  cable right out. Will spray check for strands and see what happens

    Posted 6 years ago
    slowbloke
    Free Member

    It’s not the 105 5800 RS700 flat bar shifters is it? They seem to jam up for a pastime!

    Posted 6 years ago
    damascus
    Free Member

    Time to go 1 x if you can’t fix it?

    Posted 6 years ago
    karnali
    Free Member

    Considering going 1x, currently the wife runs 34-50 and 11-32, we live in the north lakes, would 42 11-36 give a similar range i accept that loosing some at the big gear end 42-11 is smaller than 50-11

    Also i assume all that is needed is a narrow wide chainring to start with and casssette and chain

    ta

    Posted 6 years ago
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