chain not shifting to the largest ring.

jay12
jay12 Posts: 6,306
edited February 2010 in MTB workshop & tech
well it did before. now it doesn't :?

i'm using a deore front mech and in another thread ss told me that i need more cable tension but that doesn't solve the problem. is there anyway to repair this or do i need to replace the mech?
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Comments

  • nicklouse
    nicklouse Posts: 50,675
    adjust the outer/upper stop screw, it needs winding out.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • stumpyjon
    stumpyjon Posts: 4,069
    I had something similar happen on my road bike, rear mech stopped shifting down to the largest sprockett. Quick tweak of the limit screw and all was fine. Don't know why it suddenly started playing up, had been fine before. All I can think is that it was a mucky day out, even on the road bike and maybe some gunk had gotten between the limit stop screw and mech body.
    It's easier to ask for forgiveness than for permission.

    I've bought a new bike....ouch - result
    Can I buy a new bike?...No - no result
  • kenan
    kenan Posts: 952
    Could be the limit screw. Last time mine did this it was because teh cable was getting caught in the jacket. Cleaned it out with lube and problem sorted.

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