Harley Davidson Motorcycles launched a “wheels-up” strategy in the development of HD Tri Glide, and has made a frame and associated chassis structure that is engineered specifically to handle the loads generated by the steering forces and weight of a three-wheel vehicle. 2009 Harley Davidson Tri Glide Ultra Classic FLHTCUTG Motorcycle2009 Harley Davidson Tri Glide Ultra Classic FLHTCUTG