Damian Fulton's concept Bultaco BMX from 1972. Trailing Link Front End looks good but wont work. Greeves Leading Link like this one pictured on Dirty Old, instanttractiondeluxe.blogspot.com would have made this 'Taco unbeatable.
Damian Fulton's art has developed dramatically since the Bultaco BMXer in '72. He features the Los Angeles South Bay Surf Scene in the most fascinating ways. Google this guy, he's great.