Buell XBike models include:
XB9R & XB12R Firebolt (Sport-Fighters. 17899 built)
XB9S & XB12S Lightning (Street-Fighters. 15184 built)
XB9SL Lightning Low (Lowered version of XB9S. 1513 built)
XB9SX aka "XB9CX" Lightning CityX (City Cross Urban Assault Bike. 9632 built.)
XB12Scg Lightning (Lowered version of XB12S. 5561 built.)
XB12Ss Lightning Stretched (Longer wheelbase version of XB12S. 7013 built)
XB12STT Lightning Super TT (Motard Inspired Tourist Trophy. 1755 built.)
XB12SX Lightning CityX (XB12 version of the CityX. 860 built.)
XB12X Ulysses (Adventure Sport. 7432 built)
XB12XP Ulysses (Police Model. 137 built.)
XB12XT Ulysses (Adventure Sport Touring. 1911 built)