Mecacycle Turbo Frame Split Seat Tube / 55 cm / Blue / Super Vitus 980 Chrono
Pretty sure made of french Super Vitus 980 tubing in Fillet Braze. (D) fork steerer: 174 mm > thread ITA >> possible Headset stack 36 mm. (A) seattube: 55 cm (c/c) 56 cm (c/t). fork 646 g. (B) toptube: 55,5 cm (c/c).