| MAX POWER EC | 39.5 HP (40PS) @ 8,000 RPM |
| MAX TORQUE EC | 27.7 ft lb @ 6,500 rpm |
| ENGINE TYPE | Liquid-cooled, 4 valve, DOHC, single-cylinder |
| CAPACITY | 398.15 cc |
| SYSTEM | Bosch electronic fuel injection with electronic throttle control |
| SEAT HEIGHT | 31.10 in (790 mm) |
| COLORS | Carnival Red / Storm Grey, Caspian Blue / Storm Grey, Phantom Black / Storm Grey |
| FUEL TANKS | 3.43 US gal (13 litres) |
The Speed 400 brings Triumph’s unmistakable stripped back custom style, agile handling, responsive performance, and category-defining build quality to a new class of rider.