My chain on 9 speed is slipping. I measured my chain but the slipping continues. slipping chain

  • Is it a new chain? Has it been working and then suddenly started slipping or have you changed something and the problem developed?
    – KeithWM
    Aug 3, 2016 at 15:55
  • Too little info. When it happens, what is the front and rear gear you are using? Did it slipped on the largest cog or smallest cog? What happens to your derailer?
    – mootmoot
    Aug 3, 2016 at 16:41
  • 1
    ...and what was the result of the measurement?
    – ojs
    Aug 3, 2016 at 19:19
  • What have you changed lately ? Was it a sudden change or a slow worsening ?
    – Criggie
    Aug 3, 2016 at 20:31
  • Unfortunately, your picture neatly avoids showing us stuff. The shift cable is right in the critical point of the picture, so we can't tell why the chain is rising up off the cog. Ones first suspicion would be a worn-out chain, but the cogs don't seem very worn (or even dirty, for that matter). (But it may well be that the chain has died from lack of lubrication or from over-washing.) Aug 4, 2016 at 1:31

1 Answer 1


By the look of things, you may have the cable a very little bit too tight.

In other words, after you have gear down, the cable is still pulling just enough to want to go further (in the direction of the spokes), which causes the chain to ride up on the gear teeth.

Adjusting the cable adjuster (sometimes it's located right where the cable meats the derailleur) a 1/4 turn to loosen (make longer) the cable, should be enough to drop it back over the teeth.

This off coarse is assuming that by your description the cassette and chain are not worn or have not be independently replaced.

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