In 1923, Brough Superior launched the SS80, which was the first motorcycle to feature a saddle tank with the fuel capacity of 3 gallons, and it was capable of reaching a top speed of 80 mph. The SS80 was also equipped with a JAP 1000cc V-twin engine, making it one of the most powerful motorcycles of its time.
Later that year, Brough Superior introduced the SS100, which was considered the ultimate sports bike of the era. The SS100 was powered by a JAP 1000cc V-twin engine with overhead valves, producing 45 horsepower, and capable of reaching a top speed of 100 mph. The SS100 became known for its outstanding performance and handling, and it was highly sought after by motorcycle enthusiasts.
In 1924, Brough Superior introduced the first of their famous "Rolls-Royce of Motorcycles" marketing campaigns, which emphasized the high quality and craftsmanship of their motorcycles. The campaign was highly successful and helped to establish Brough Superior as a premium brand in the motorcycle industry.
That year, Brough Superior also set a new world record for the fastest speed on a motorcycle when rider Bert le Vack achieved a speed of 124.51 mph on a modified SS100 at the Brooklands race track. This accomplishment helped to cement Brough Superior's reputation as a maker of high-performance motorcycles.
Overall, the years 1923 and 1924 were significant for Brough Superior, as the company introduced several groundbreaking motorcycles and established itself as a premier brand in the motorcycle industry.