WORLD CHAMPIONSHIPS WON USING OUR BRAKE DISCS
CLASS 50cc
| 1978 | RICARDO TORMO | BULTACO |
| 1979 | EUGENIO LAZZARINI | KREIDLER |
| 1980 | EUGENIO LAZZARINI | KREIDLER |
| 1981 | RICARDO TORMO | BULTACO |
| 1982 | STEFAN DOERFLINGER | KRAUSER |
| 1983 | STEFAN DOERFLINGER | KRAUSER |
CLASS 80cc
| 1984 | STEFAN DOERFLINGER | KRAUSER |
| 1985 | STEFAN DOERFLINGER | KRAUSER |
| 1986 | JORGE MARTINES | DERBI |
| 1987 | JORGE MARTINES | DERBI |
| 1988 | JORGE MARTINES | DERBI |
| 1989 | MANUEL HERREROS | DERBI |
CLASS 125cc
| 1977 | P.PAOLO BIANCHI | MORBIDELLI |
| 1978 | EUGENIO LAZZARINI | M.B.A |
| 1979 | EUGENIO LAZZARINI | M.B.A |
| 1980 | P.PAOLO BIANCHI | MORBIDELLI |
| 1981 | ANGEL NIETO | MINARELLI |
| 1982 | ANGEL NIETO | GARELLI |
| 1983 | ANGEL NIETO | GARELLI |
| 1984 | ANGEL NIETO | GARELLI |
| 1985 | FAUSTO GRESINI | GARELLI |
| 1987 | FAUSTO GRESINI | GARELLI |
| 1988 | JORGE MARTINES | DERBI |
| 1989 | ALEX CRIVILLE | COBAS |
| 1992 | ALESSANDRO GRAMIGNI | APRILIA |
CLASS 250cc
| 1977 | MARIO LEGA | MORBIDELLI |