Excelsiors for 1953 A New "150" for Next Year - Both "Autobyks" Reduced in Price
With the increasing popularity of the "motor attachment," it has been obvious for some time to the Excelsior Motor Co., Ltd., that the considerable proce difference between this type of auxiliary unit and the complete 98 c.c. machine built specifically as economy transportation influences intending purchaser, who frequently choose the cheaper unit irrespective of its suitability for the job...

Image courtesy Classic Motorcycle Memories

Excelsior Models 1902-1960s