Originally Posted by
adaminlc
You may want to do a search on this forum relating to racks that will fit on any frame. The subject comes up at least once a month. Some of the options are a bit more expensive than those that aren't, such as OMM racks, but they are definitely cheaper than a new frame.
If someone asked me I'd tell them to buy a new bike before mounting a rack that doesn't bolt into the end of the rear triangle and bolt near the top of the rear triangle. Racks that hook onto just the seat tube are no better than backpacks: You can't carry anymore stuff or weight.