Fifties unit construction single, quite advanced for the time but let down by poor materials and naff main bearings, but can be fixed with modern parts. Formed the basis for the later, more popular Tiger Cub. Chassis was built down to a price, about on a par with a worn C50, but can be upgraded with bits off bigger Triumphs. It’s pretty rare to see one on the road, these days, a scarcity for which we should be truly thankful!