| General |
| Comments | Riding Mode,. Power Mode. Traction Control. | - |
| Year | - | 2024 |
| Colours | Nebula Blue | - |
| Make Model | - | Triumph Speed 400 |
| Warranty | 24 months | - |
| Dimensions |
| Length (in.) | 82.7 inches | - |
| Length (mm) | 2100 mm | - |
| Seat Heigth -Alternate (in.) | 31.3 inches | - |
| Seat Height (in.) | 30.7 inches | - |
| Wheelbase (in.) | 57.0 inches | - |
| Seat Heigth -Alternate (mm) | 795 mm | - |
| Width (in.) | 33.7 inches | - |
| Width (mm) | 855 mm | - |
| Height (in.) | 45.3 inches | - |
| Height (mm) | 1150 mm | - |
| Wheelbase (mm) | 1449 mm | - |
| Seat Height (mm) | 780 mm | - |
| Seat Height | 780 mm / 30.7 in. | 790 mm / 31.1 in |
| Wheelbase | 1449 mm / 57.0 in. | 1377 mm / 54.2 in |
| Height | 1150 mm / 45.3 in. | 1075 mm / 42.3 in |
| Length | 2100 mm / 82.7 in. | 2056 mm / 80.9 in |
| Width | 855 mm / 33.7 in. | 795 mm / 31.3 in |
| Weights & Capacities |
| Wet Weight (lbs.) | 421.1 pounds | - |
| Wet Weight (kg) | 191.0 kg | 170 |
| Dry Weight (kg) | 176 | - |
| Fuel Capacity (l) | 13.50 litres | - |
| Fuel Capacity (gal.) | 3.57 US gallons | - |
| Dry Weight (lbs.) | 388.0 pounds | - |
| Dry Weight | 176 kg / 388.0 lbs | - |
| Fuel Capacity | 13.50 litres / 3.57 US gallons | 13 Litres / 3.43 US gal |
| Wet Weight | 191.0 kg / 421.1 lbs | 170 kg / 375 lbs |
| Performance |
| Max Power | - | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 65.2 Nm (6.6 kgf-m or 48.1 ft.lbs) @ 7000 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Power-to-Weight Ratio | 0.4148 HP/kg | - |
| Engine |
| Fuel Control | Desmodromic valve control | - |
| Engine Type | V2, four-stroke | - |
| CO2 | 120.6 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Bore x Stroke (mm) | 88.0 x 66.0 mm | - |
| Bore x Stroke (in,) | 3.5 x 2.6 inches | - |
| Displacement (ci) | 49.00 cubic inches | - |
| Displacement (cc) | 803.0 cc | - |
| Displacement | - | 398 cc / 24.3 cu-in |
| Engine Detail | L-Twin | Four stroke, DOHC, single cylinder, 4 valves |
| Fuel System | Injection. Electronic fuel injection, 50 mm throttle body, ride-by-wire. | - |
| Bore x Stroke | - | 89.0 x 64.0mm |
| Compression Ratio | 11.0:1 | 12.1:1 |
| Cooling System | - | Liquid cooled |
| Emissions | Euro 5 | Euro 5 |
| Exhaust | Stainless steel muffler with catalytic converter and 2 lambda probes, aluminium tail pipes | - |
| Fuel Consumption | 5.20 litres/100 km (19.2 km/l or 45.23 mpg) | - |
| Fuel Induction | - | Bosch ride-by-wire EFI |
| Starter | Electric | Electric |
| Valve System | 2 | - |
| Drivetrain |
| Clutch | Hydraulically controlled slipper and self-servo wet multiplate clutch | Wet multiplate with assist and slip functions |
| Final Drive | Chain (final drive) | X-ring chain |
| Gearbox | 6-speed | - |
| Transmission / Drive | - | 6-Speed |
| Chassis |
| Wheel Travel - Rear (mm) | 150 mm | - |
| Wheel Travel - Front (mm) | 150 mm | - |
| Trail (in.) | 4.3 inches | - |
| Wheel Travel - Rear (in.) | 5.9 inches | - |
| Wheel Travel - Front (in.) | 5.9 inches | - |
| Trail (mm) | 108 mm | - |
| Frame Type | Tubular steel Trellis | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | Upside-down Kayaba fork, 41mm | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Kayaba rear shock, pre-load adjustable. | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | 24.0° | 26.6° |
| Seat | Dual seat | - |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | 108 mm / 4.3 in. | 101.6 mm / 4 in |
| Wheel Travel - Front | 150 mm / 5.9 in. | 139.7 mm / 5.5 in |
| Wheel Travel - Rear | 150 mm / 5.9 in. | 129.4 mm / 5.1 in |
| Electrical Systems |
| Instrumentation | 4.3´ TFT colour display | Analogue speedometer with integrated multi-function LCD screen |
| Lighting system | LED lighting | - |
| Wheels & Brakes |
| Brakes - Front | Double disc. Radial 4-piston caliper with Bosch Cornering ABS. | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | Single disc. 1-piston floating caliper with Bosch Cornering ABS. | Single 230 mm disc with floating caliper |
| ABS | - | Bosch dual channel |
| Rims | Pirelli MT 60 RS tires, Soked aluminium wheels. | - |
| Tyres - Front | 110/80-18 | 110/70 x R17 |
| Tyres - Rear | - | 150/60 x R17 |
| Wheels - Front | - | 17 x 3 in with 10-spoke cast aluminium alloy rims |
| Wheels - Rear | - | 17 x 4 in with 10-spoke cast aluminium alloy rims |