Geoffrey Ernest Duke, born in St. Helens, Lancashire, was a British multiple motorcycle Grand Prix road racing world champion. He raced several brands of motorcycle: Norton, Gilera, BMW, NSU and Benel
John Hartle
…in the 500 and 350 classes. In 1960 he won his first Isle of Man TT race, the Junior TT event. After being released by MV Agusta, he then rode for Geoff Duke's privateer Gilera team, alongside Derek Minter. In his early career, Hartle was sponsored for non-championship races by Eric W Bowers Coaches and later…
Geoff Duke (1951)
Duke en route to victory at the 1951 500cc Dutch TT