Joined: Mar 2012
Posts: 1,548
Likes: 437
From: Niagara Region, Canada
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
Manny66-
Zeta was the basic light gauge, hi-tensile, unbutted tube set. Aelle was also plain gauge but carbon manganese steel and Aelle R was the same material in butted form.