well the struts are ~5mm thick or so, and the bosses are ~43mm apart, so I would have to squeeze the struts to fit inside, or spread them to fit outside. I think. It's a vintage rack on ebay so I'm trying to figure if it's worth going for.
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1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"