Chain rattling problem

[darrsi]

My chain started to do this yesterday  :'(


I've got a scottolier, but it didn't look like it was supplying enough oil.  The inner section was oiled, but I don't think enough, so I've turned it up.


The weather has been taking it's toll on the outer links, which are quite rusty, so I also gave it a good treatment of WD-40. Seemed to help a bit, but the clank still hasn't gone away.


I need to look into it more, but I am noticing tight spots when I try rotating the wheel by hand.  Not sure if it's the chain or brakes that are causing it, so I'm going to do some more oiling and drop the caliper off and see what's what (and check under the sprocket cover).


I report back, and ask you to do the same if you work out your cause.

You can normally spot a tight link just by slowly rotating the wheel and looking at the lower chain.
A tight link will always sit at a slight angle, compared to good links that remain horizontal, so they actually stand out.
If one looks suspect then get a pair of pliers and see if it moves freely, you'll soon know if it isn't moving properly.