Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings (where ball-type bearings are used by the OEM) Designed as a replacement taper bearing seat (where taper bearings are original equipment) Kits come complete with both upper and lower taper bearing cups and cones and seals (both top and bottom seals are included in most kits) Tapered roller bearings decrease maintenance along with less wear and longer life FITS - 2002 Ducati MH900E 2001 Ducati Monster 600 2000-2001 Ducati Monster 900 I.E. 2000-2001 Ducati Monster 750 1999-2002 Ducati 750 SS 1994 Ducati 916 Senna 1994 Ducati 916 Biposto 1994 Ducati 916 SP 1993-1999 Ducati Monster 900 1993-1994 Ducati SL 900 1992-1994 Ducati 888 Superbike 1991-1997 Ducati 900 S 1991-1997 Ducati 900 Sport S 1991-1997 Ducati 900 Light 1991-1996 Ducati 750 S 1991-1996 Ducati 750 Light 1991-1996 Ducati 750 Sport S 1990-1994 Ducati 900 SS Showa 1986-1989 Ducati F1 750 1977-1983 Ducati SD 900 1976-1985 Ducati Darmah 900 1976-1985 Ducati Darmah 900 SS 1976-1985 Ducati 900 SD Darmah MHR 1976-1984, 1991-1998 Ducati 900 SS 1972-1975, 1991-1996 Ducati 750 SS Showa