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Rear derailleur adjustment at lbs..how much?

  • 19-08-2014 12:05am
    #1
    tombliboo83
    Registered Users Posts: 1,132 ✭✭✭


    How much should I expect to pay for this? I can't seem to adjust it properly and now the chain won't drop into the smallest cog. Really want someone to do it properly for me. How much and how long does it take. Thanks for any replies


Comments

  • #2
    macnab
    Registered Users, Registered Users 2 Posts: 1,505 ✭✭✭macnab


    Its a bit of a "how long is a piece of string" question.
    If everything is OK, as in straight and no damage, then it is a 10 minute job at most.
    First i would check the tension on the cable, then I would remove the chain, line the rear derailleur up with the smallest cog, then line it up with the largest cog. Replace the chain and fine tune the adjustment on the cable until it is shifting smoothly up and down the gears.
    If the rear derailleur or the hanger is bent then things get a bit more complicated.


  • #3
    tombliboo83
    Registered Users Posts: 1,132 ✭✭✭tombliboo83


    Everythings straight. Just the adjustments are all out. Didnt go near the limit screws either


  • #4
    mirrormatrix
    Registered Users Posts: 637 ✭✭✭mirrormatrix


    tombliboo83 wrote: »
    Didnt go near the limit screws either

    At a guess, this could well be why your derailleur won't drop into the smallest cog.

    Just ring your lbs and ask, probably be 20 quid or so if nothing needs replacing.


  • #5
    cdaly_
    Registered Users, Registered Users 2 Posts: 6,440 ✭✭✭cdaly_


    tombliboo83 wrote: »
    Everythings straight. Just the adjustments are all out. Didnt go near the limit screws either
    1. Set your shifter to the highest gear (cable slack)
    2. Loosen the cable adjuster until the chain runs properly on the smallest sprocket
    3. Set your shifter to the next highest gear (just one click). The chain may not shift yet.
    4. Tighten the cable adjuster until the chain just shifts to the second sprocket
    5. Tighten the cable adjuster 1/4-1/2 turn more
    6. Check shifting up and down the gears
    7. If it fails to drop into the highest gear, back off the cable adjuster 1/4 turn.
    8. Re-check shifting
    9. Use only small adjustments to fine-tune


  • #6
    triggermortis
    Registered Users, Registered Users 2 Posts: 2,684 ✭✭✭triggermortis


    You tube has some good guides for this as well as Sheldon Brown. If you haven't replaced and cables or parts, it should be fairly straightforward


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