| Technology | |||||||||
| Year | Linkage |
Water Cooling |
Front Disk |
Rear Disk |
Power Valve |
Modern Ergos |
Aluminum Frame |
Electronics | Class |
| 1980 | Evolution | ||||||||
| 1981 | |||||||||
| 1982 | X | Revolution | |||||||
| 1983 | X | X | |||||||
| 1984 | X | X | |||||||
| 1985 | X | X | X | ||||||
| 1986 | X | X | X | X | X | Transformation | |||
| 1987 | X | X | X | X | X | ||||
| 1988 | X | X | X | X | X | ||||
| 1989 | X | X | X | X | X | ||||
| 1990 | X | X | X | X | X | X | Pre-Modern | ||
| 1991 | X | X | X | X | X | X | |||
| 1992 | X | X | X | X | X | X | |||
| 1993 | X | X | X | X | X | X | |||
| 1994 | X | X | X | X | X | X | |||
| 1995 | X | X | X | X | X | X | |||
| 1996 | X | X | X | X | X | X | |||
| 1997 | X | X | X | X | X | X | X | X | Next Generation |
| 1998 | X | X | X | X | X | X | X | X | |
| 1999 | X | X | X | X | X | X | X | X | |
| 2000 | X | X | X | X | X | X | X | X | Twilight |
| 2001 | X | X | X | X | X | X | X | X | |
| 2002 | X | X | X | X | X | X | X | X | |
| 2003 | X | X | X | X | X | X | X | X | |
| 2004 | X | X | X | X | X | X | X | X | |
| 2005 | X | X | X | X | X | X | X | X | |
| 2006 | X | X | X | X | X | X | X | X | |
| 2007 | X | X | X | X | X | X | X | X | |