I think this mounts to the fork brake hole area behind the caliper. Whether side pull or centre pull brakes are best i'm not 100% sure.
VINTAGE TA SPECIALITIES ALLOY BOTTLE CAGE,WITH SCREWS,IN EXC COND, L'EROICA
Vintage TA... 54 tooth alloy chain-ring , 6 bolt , 152 BCD
Vintage TA... 50 tooth alloy chain-ring , 6 bolt , 152 BCD
NOS VINTAGE TA CHROME SEAT TUBE BOTTLE CAGE CLIPS AND BOLTS
Vintage TA Road Bike Chainring 38T 80mm BCD 6-Bolt + 50.4mm Spider Used VN-26-A8