circa 1940: Ministry of Information dispatch riders on their motorbikes. (Photo by Fox Photos/Getty Images)

circa 1935: A rather large woman riding a mini-autobike.Tiny Griffin preparing to take part in a South California Bicycle Parade at Ocean Park. (Photo by General Photographic Agency/Getty Images)

Marjorie Dare (Doris Smith) riding with around ‘The Wall of Death’ sideshow at the Kursaal amusement park in Southend, Essex, 1938. (Photo by Fox Photos/Hulton Archive/Getty Images)

9th January 1927: A woman entrant in the Ladies only Motor Cycle Reliability Trial at Alexandra Palace, London. (Photo by Fox Photos/Getty Images)

1926: A competitor at the Ladies’ Bike Trials at Alexandra Palace, north London. (Photo by Fox Photos/Getty Images)

23rd September 1925: The Debenham sisters wearing fur and waterproof clothing for the winter motorcyclist. The women are riding BSA cycles. (Photo by H. F. Davis/Topical Press Agency/Getty Images)

1925: Two women set off on a BSA motorbike to play tennis after work. (Photo by Topical Press Agency/Getty Images)

circa 1925: Women of Achille Serre Ltd’s Private Fire Brigade setting off on their motorcycle and sidecar to compete in the London Private Fire Brigades’ Tournament. They are defending champions in the women’s events. (Photo by Hulton Archive/Getty Images)

22nd August 1925: Miss E Foley and Miss L Ball on their motorcycles at the International Six Days Reliability Trials at Brooklands race track. (Photo by Kirby/Topical Press Agency/Getty Images)

September 1923: Three women waiting to start their midget motorcycle race. (Photo by Topical Press Agency/Getty Images)