1938
Triumph Speed Twin
Edward Turner's parallel-twin Speed Twin was the most important motorcycle design of the 20th century — a vertical twin producing 29 hp that was lighter and narrower than any single of equivalent performance. It set the standard that all subsequent British motorcycles would follow for 40 years.
Sport Standard
Technical Specifications
| Engine | 499 cc OHV Parallel-Twin |
| Horsepower | 29 hp @ 6,000 rpm |
| Torque | 41 Nm |
| Transmission | 4-Speed Manual |
| Type | Sport Standard |
|---|---|
| Frame | Loop steel |
| Weight | 167 kg (wet) |
| Seat Height | 800 mm |
| Fuel Capacity | 14.5 L |
| Top Speed | 150 km/h |
| ABS | None |
| Suspension | Girder fork / Rigid |
| MSRP Range | £77 (1938 UK) |