dit are you the orginal owner? it is certanly worth a trip to your cannondale dealer. is that road or ATB? if you are the original owner you may be able to get some sort of credit towards a new frame. or cannondale may already have a repair kit for that frame. I recall at one time in the mid '90s putting a cannondale replacement hanger on an old ATB (24" rear wheel) and it only required a bit of drilling and one minot cut to fit it in place. just a thought
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk