No team has ever used a Corsa model... All teams used the Professional model until the middle of the 1985 season, followed by the Pro model (SLX or 753) and since mid 1986 the Corsa Extra (SLX or 753)
Corsa is actually a continuation of the Team Issue series, and then... the Professional model (which ceased production in 1986)
There are 4 "levels" of steel frame models in EMC:
- "economic": 3-Athlete ---> Strada
- "mid": Professional. (until 1984 it was also a "top") ---> Corsa
- "top": Pro ---> Corsa Extra/Century/Grand Prix ---> Arcobaleno
- "special top": Corsa Extra Max---> Mx Leader
There were also Chrono and Criterium with unusual geo also belonging to the upper levels.
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