Senior Member
Join Date: Mar 2012
Location: Niagara Region, Canada
Posts: 1,455
Bikes: 1970s Alex Singer, 1960s Peugeot PX 10, 1960s Bertin C37, 1973 Carre Bertin C 37, 1972 Carlton Kermesse, 1981 Peugeot PX 14 Super Competition
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machinist42-
I had an early 80s Peugeot PF 40 with v.181 stamped in the tubing. Durifort was also stamped on tubes and fork blades often in lower case "durifort" and I have seen 888 stamped in Motobecane frame tubes. True comment on Vitus tubing quality. The Canadian frame builder Julian Edwins was a metallurgical engineer and he much preferred using Vitus to Reynolds or Columbus due to the far tighter quality control and superior metallurgical properties. And he had the electron photo micrographs to prove it.