KTM KTM 790 Duke Prototype KTM 790 Duke Prototype SPECIFICATIONS, PRICE & IMAGES Bike Features More Bike Specifications:KTM 990 Supermoto RKTM 690 LC4 Duke RKTM 990 Adventure Limited EditionKTM RC8R 1198 TrackKTM 500KTM RC 390KTM 990 AdventureKTM 390 Duke