Suitable brakes available in 1958 were Weinmann 500 & 730 in a CP Vainqueur 999 came out a shade later in 1959, Mafac Racer, Beborex, GB Riviera Rapid, Sport Mk3, Coureur Plus. Alf Hetchin still had loads of Doherty's left over from the early 50's in stock in 1961.
Thats all for now. Keep those wheels spinning, in your memories if not still on the road. Be lucky Mick Butler Huntingdon UK.