A look at the vintage motorcycles on display at the National Motorcycle Museum in Anamosa, Iowa.
1939 Ariel 250 Red Hunter
Engine: 248cc OHV, vertical single with twin-port head
Bore x Stroke: 61mm x 85mm
Transmission: 4-speed Burman
Suspension: Girder forks, solid rear
Weight: 350lb (dry, approx.)
Price new: 53 pounds 10 shillings (approx. $86 today)
Once described as "The Most Exclusive Motor Cycle in the World," the Red Hunter was indeed the precursor to the world's most famous trials bike — 11 time successive British Trial's Champion Sammy Miller's 1962 Ariel HT5.