Originally Posted by fevans
Thanks, I went to the Tubus site and saw the Luna rack. My rack is a topeak which is specific to a child seat and didn't come with that type of bracket. There appear to be holes in the center of the rack so I think I can probably craft a home-made bracket. Thanks for your help.
Check at a local bike shop. You need a flat rack stay and they might have one. If nothing else you could straighten out one of the seatstay type with a vice. It ain't purty but it works.
Good luck