 There are reports that the two seat bodies had the seats staggered to fit in the narrow body, but this is not evident from the photograph taken at the 1912 Olympia Motor Cycle and Cycle Car show.With the depression biting, 1933 was the last year of production for dirt-track bikes, and the TT Replicas.The Ulster 500 cc was fitted with a "semi-radial" (parallel valves with radial ports) cast-iron head.