‘CG 1150’ has been widely accepted since the mid-1930s as the machine ridden to victory in the 1928 Lightweight TT by Frank Longman. The OK’s history between 1928 and the early 1930s is not known but...

A tragic accident in 1927 led to changes in the practice regulations. Practice took place on open roads, allowing residents to go about their daily business, and riders were left to take their own pr...