The Ultimate Ducati Superbike Comparison: From the 916 to the Panigale V4 S

Troy Bayliss had to ride the wheels off the 999 in WSBK trim to beat the inline-Fours and win a title. Despite its relative unpopularity among Ducatisti at the time, the 999 had a relatively successful racing pedigree and are now awfully affordable on the used market.