This awesome bike is built by RK Concepts, owned by Lebanese-born Rafik Kaissi from Austin, Texas. Driven by a 100hp Buell XB 12R 1.2-litre two-cylinder engine, the custom “RK Chain” bike also borrows the transmission and rear brake from the now-defunct American company. The rest of the wild mods, including that massive rear wheel, are completely done in-house by RK Concepts.