T-REX
They have been around for a while. They used the Kawasaki 1200, then the Suzuki 1300, then the Kawasaki 1400, then a Harley version 1300, and now a BMW 1600.I have always loved them, but you must be a lottery winner to get one.
http://www.campagnamotors.com/products/v13r/configure-one/