Reattach using the link. If the chain is really old, the cassette might need to be changed as well. Or the derailleur's barrel adjuster needs a turn or so.
Also - I replied to your PM. Happy to help if I can.
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"The older you do get, the more rules they're gonna try to get you to follow. You just gotta keep livin', man, L-I-V-I-N." - Wooderson
'14 carbon Synapse - '12 CAAD 10 5 - '99 Gary Fisher Big Sur
Last edited by dtrain; 05-15-15 at 12:28 PM.