Join Date: Jun 2010
Location: NW,Oregon Coast
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modern 9 and 10 speed chains are fussy you may get away with more on 7 speed chains.
but the riveting of the pins keeps them from blowing out.
you stretch the side plate pressing it out. then realistically,
the head has to be expanded further
If you don't force shifts, after this field fix, it should get you back to a town..
on the road cures are temporary, replace the chain ASAP.
with practice , you learn how to press the pin so as to remain in the last plate,
ideally leaving it just a scosh proud, so the inner link would snap over that nub.
and stay there while you press the pin back in.
Last edited by fietsbob; 08-23-11 at 10:58 AM.