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  • Sticking Shifters

     BigBadJohn118 updated 12 years, 2 months ago 8 Members · 18 Posts
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  • betski

    Member
    2 March 2009 at 11:19 am

    The rear shifter is beginning to stick on my shimano deore’s. Is it just a case of shooting the mechanism with some WD40 first before trying anything else? thx

  • badblood

    Member
    2 March 2009 at 11:39 am

    would be tempted to slacken off the cable by shifting into the largest sprocket at the back, then without turning the wheel shift as if you are going into the smallest sprocket. This will give you loads of slack in the cable, you can then take the cable outers from their stops in the frame and run thenm up and down the inner cable, while you are doing this run a cloth dipped in some degreaser (or wd40) over the inner cable to clean it. Make sure you do as much of the cable as possible, then using some good quality chain lube, run that over the iner cable before re-seating the outers in the stops and taking a ride while shifting up and down the whole gear range. If that doesn’t work you could try a bit in the shifter but it more than likely will be the cables.

  • mr-marty-martin

    Member
    2 March 2009 at 3:57 pm

    but then crap sticks to the exposed cable and nacks up your shifting even more…

  • badblood

    Member
    2 March 2009 at 5:52 pm

    regular cleaning and lubing of the cables keeps shifting smooth and trouble free, I only get shifting issues due to cable stretch or if I knock stuff out of alignment. It takes 2 mins to do when cleaning your bike and makes sure your cables last longer.

  • badblood

    Member
    2 March 2009 at 5:54 pm

    If that seems like too much hard work, you could always fit full length outers or flyin snake setup, but even they need an odd squirt every now and again

  • mr-marty-martin

    Member
    2 March 2009 at 5:57 pm

    just telling you what a very good friend of mine was saying, ( he’s a very experienced bike mechanic 😉 )

  • badblood

    Member
    2 March 2009 at 6:11 pm

    yeah, but if they are not protected by something, they will dry up and stick or even rust up. A little bit of lube and a regular clean keeps things nice and smooth. Using something like White Lightening or similar wax based lube will cut down the clogging up you mentioned.

  • Gunner

    Member
    2 March 2009 at 7:49 pm

    but then crap sticks to the exposed cable and nacks up your shifting even more…

    Rubbish…….. 🙄 🙄

    I always lube my outer exposed cable, either with a squirt of GT85 on a rag and wipe it over, or put some light machine oil on the cable and let it run along. Never had any shifting issues, road or Mtb, if anything its got to improve shifting, surely.

    Change mechanics Marty, I say…… 😉

  • mr-marty-martin

    Member
    2 March 2009 at 9:02 pm

    he’s one of the best around 😉

    and he loves the job, he just see’s it as a hobby that go’s with his road racing, as he has a very succesful property buisness…

    how is it ubbihs, crap going into the cables WILL affect it… its comin sense…

  • BigBadJohn118

    Member
    2 March 2009 at 9:22 pm

    he’s one of the best around 😉

    and he loves the job, he just see’s it as a hobby that go’s with his road racing, as he has a very succesful property buisness…

    how is it ubbihs, crap going into the cables WILL affect it… its comin sense…

    Lets just say Marty, i Clean and lube my cables and i always lube the exposed Cable. i use Purple extreme and other lubes (Repel Dirt/Grit/water and many other substances.

    I Checked the cable out on my GT last week coz i was setting my XTR rear mech up on it and they have not been cleaned for ages,yet they where as clean as my XC Pro’s Cables.

    a (Tiny) little bit of dirt will hardly affect the gear changes as ther is that much force traveling through the cable to change gear you will hardly feel it, if ther was alot ( A REAL LOAD) of dirt on them then u will start to feel it.

    One other thing, if you have Teflon coated Cables the shift is smoother through the casing and will propbly be smoother in dirt aswell than normal cables.

    ah cables cables cables 😆

    (NOTE) my GT has Deore Shifters on that i was setting the XTR mech up on.

  • Richard A Thackeray

    Member
    2 March 2009 at 9:23 pm

    The RX100 (road) shifters on my ‘yello-bike’ stick at times, & won’t change up

    ‘Ditto’ the Ultegra (’94 vintage) on my Dyna-Tech, but not to the same extent

    Both change to lower gears fine

  • Steve Kish

    Member
    2 March 2009 at 10:55 pm

    I lube my cables regularly and as said, most shifting prob’s are due to their sticking.

    Remove the cables by putting it in smallest gear and flicking the lever, as mentioned. Then I clean the exposed parts with meths and then slide the casing over these to expose the inner parts. Again, clean and lube with GT85 and then slide back the casing. Then replace casing in the lugs and gently wipe off any excess of the exposed parts.

    Quick squirt of GT85 into the nylon guides under the bracket and all done.

    Marty, unfortunately gathering dust and stuff is something that can’t be avoided on cables, dry or lubed. If regularly maintained, this should have no effect at all – what does your mechanic friend advocate on chains; running them dry?

    I first worked as a mechanic in a bike shop in 1967 and in the 42 years since then, if I had to simplify all bike maintenance in one sentence it would be this:-

    ‘Rather than neglect it and fix it when it goes wrong, regularly check, clean, re-lube and service moving parts on a rotation basis, thus minimising the chances of failure and possibly unnecessary expense in having to buy new stuff that failed due to neglect’.

    Big sentence, eh? 8)

  • betski

    Member
    3 March 2009 at 12:55 pm

    thx for all your comments. defo right- prevention is better than cure 🙂

  • tomlevell

    Member
    3 March 2009 at 1:03 pm

    I’ve never had great success in cleaning/lubing cables so I just put up with worse and worse shifting then replace inners and outers as needed. You really appreciate the light action shifting then ;0)

    The cables are teflon coated and supposed to run dry and introducing anything that will get past the seals on the cable ends could only make the ingress of dirt and water easier.

    Sealed gear outer cable ends are well worth the extortionate price.

    I hardly ever replace front shifter cables mind.

  • BigBadJohn118

    Member
    3 March 2009 at 1:37 pm

    I’ve never had great success in cleaning/lubing cables so I just put up with worse and worse shifting then replace inners and outers as needed. You really appreciate the light action shifting then ;0)

    The cables are teflon coated and supposed to run dry and introducing anything that will get past the seals on the cable ends could only make the ingress of dirt and water easier.

    Sealed gear outer cable ends are well worth the extortionate price.

    I hardly ever replace front shifter cables mind.

    My dad has Ride-on Gore-Tex Sealed low Friction cables and my Dads XTR shifts are like Butter and mine do not come close even tho mine are very smooth

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