Custom Frog 750 Concept by Hartmut Esslinger Frog 750 Concept by Hartmut Esslinger SPECIFICATIONS, PRICE & IMAGES Bike Features More Bike Specifications:Ducati Il Mostro Flat Tracker Kit by Earle MotorsKawasaki KMX 125awasaki ZX-9R NinjaBMW K1300R by WunderlichKawasaki KR 750 DaytonaKawasaki VN 800 ClassicExile Cycles StreetfighterDucati Scrambler Concepts I by Gannet Design