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Chain came off the rear sprocket

Discussion in 'Technical and Troubleshooting Torque' started by croc76, Dec 24, 2012.

  1. Riding towards home mid corner the chain comes off the rear. So now I'm stuck on Wellington road corner nantilla road. Does anybody know how to it this?? Any help would be appreciated :)

  2. If it could come off in use you might be able to roll it back on.
    Bike in neutral, hook bottom of chain to bottom and back of rear sprocket as best you can, wheel bike forward and try and guide chain on.
    may not work, might not be enough slack with no rider aboard.
    If not you'll need a large ring spanner or socket and bar to loosen the rear axle nuts and adjust the adjusters in to loosest and roll the chain back on, then adjust tension and tighten rear axle nuts.
  3. +1 what pwbike suggested, with the added note that for your chain to come off..
    A] adjustment may have been excessively loose and will require sorting. Usual go is about 25mm movement or slack
    B] check you rear sprocket for 1] excessive wear and 2] see if there is excessive movement of the sprocket 'side to side' indicating worn or collapsed carrier bearings

    Attached Files:

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  4. A really kind rider named sarge helped me out. It's great to know that other riders will help each other out when one is in need
    • Like Like x 1
  5. Glad to hear you're on your way again. Do what Mike8863 suggested though and make sure it won't come off again, something must be worn or out of adjustement.
  6. Sure thing! thanks guys!