| General |
| Comments | Three Ride Modes (Rain, Road, Dynamic, incl. HSC). Six-axis sensor incl. ABS Pro and DTC. | - |
| Year | - | 2024 |
| Colours | Black Storm Metallic, Bluestone Metallic, Motorsport red/blue/white | - |
| Make Model | - | Triumph Speed 400 |
| Dimensions |
| Height (in.) | 48.3 inches | - |
| Height (mm) | 1228 mm | - |
| Length (in.) | 81.0 inches | - |
| Length (mm) | 2057 mm | - |
| Width (mm) | 845 mm | - |
| Seat Height (mm) | 831 mm | - |
| Wheelbase (in.) | 57.0 inches | - |
| Wheelbase (mm) | 1448 mm | - |
| Width (in.) | 33.3 inches | - |
| Seat Height (in.) | 32.7 inches | - |
| Seat Height | - | 790 mm / 31.1 in |
| Wheelbase | - | 1377 mm / 54.2 in |
| Height | - | 1075 mm / 42.3 in |
| Length | - | 2056 mm / 80.9 in |
| Width | - | 795 mm / 31.3 in |
| Weights & Capacities |
| Fuel Capacity (l) | 16.65 litres | - |
| Fuel Capacity (gal.) | 4.40 US gallons | - |
| Oil Capacity (l) | 3.50 litres | - |
| Oil Capacity (Quarts) | 3.7 US quarts | - |
| Wet Weight (kg) | 199.0 kg | 170 |
| Wet Weight (lbs.) | 438.7 pounds | - |
| Fuel Capacity | - | 13 Litres / 3.43 US gal |
| Wet Weight | - | 170 kg / 375 lbs |
| Performance |
| Top Speed (mph.) | 124.0 mph | - |
| Top Speed (km/h) | 199.6 km/h | - |
| Max Power | - | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 114.0 Nm (11.6 kgf-m or 84.1 ft.lbs) @ 9250 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Engine |
| Engine Type | In-line four, four-stroke | - |
| Fuel Reserve (l) | 4.00 litres | - |
| Fuel Reserve (gal.) | 1.06 US gallons | - |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Bore x Stroke (in,) | 3.1 x 2.0 inches | - |
| Bore x Stroke (mm) | 80.0 x 49.7 mm | - |
| CO2 | 155.4 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Displacement (cc) | 999.0 cc | - |
| Displacement (ci) | 60.96 cubic inches | - |
| Displacement | - | 398 cc / 24.3 cu-in |
| Engine Detail | - | Four stroke, DOHC, single cylinder, 4 valves |
| Fuel System | Injection. Electronic port fuel injection, BMS-K+ electronic engine management with RPM cut-off, twin-spark ignition: BMS-O with ride by wire. | - |
| Bore x Stroke | - | 89.0 x 64.0mm |
| Compression Ratio | 12.5:1 | 12.1:1 |
| Cooling System | - | Liquid cooled |
| Emissions | Closed-loop 3-way catalytic converter, emission standard Euro 4 | Euro 5 |
| Engine Lubrication | Wet sump | - |
| Fuel Consumption | 6.70 litres/100 km (14.9 km/l or 35.11 mpg) | - |
| Fuel Induction | - | Bosch ride-by-wire EFI |
| Idle Speed | 1250 +/- 50 RPM | - |
| Spark Plug | NGK LMAR9D-J | - |
| Starter | Electric | Electric |
| Valve System | 4 | - |
| Drivetrain |
| Chain Size | 525 | - |
| Clutch | Multi-disc oil bath (anti-hopping) with self-reinforcement | Wet multiplate with assist and slip functions |
| Final Drive | Chain (final drive) | X-ring chain |
| Gearbox | 6-speed | - |
| Sprocket | 17/45 (front/rear) | - |
| Transmission / Drive | - | 6-Speed |
| Chassis |
| Fork Tube Size (mm) | 46 mm | - |
| Wheel Travel - Rear (in.) | 4.6 inches | - |
| Fork Tube Size (in.) | 1.8 inches | - |
| Trail (in.) | 3.9 inches | - |
| Trail (mm) | 99 mm | - |
| Wheel Travel - Front (in.) | 4.7 inches | - |
| Wheel Travel - Front (mm) | 120 mm | - |
| Wheel Travel - Rear (mm) | 117 mm | - |
| Frame Type | Bridge-type aluminum laminate frame with load-bearing engine | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | Upside-down telescopic fork 46 mm, compression and rebound stage adjustable | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Aluminum swingarm, central shock absorber, adjustable rebound and compression damping and adjustable spring preload | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | 24.8° | 26.6° |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | - | 101.6 mm / 4 in |
| Wheel Travel - Front | - | 139.7 mm / 5.5 in |
| Wheel Travel - Rear | - | 129.4 mm / 5.1 in |
| Electrical Systems |
| Instrumentation | TFT display with connectivity | Analogue speedometer with integrated multi-function LCD screen |
| Lighting system | LED lighting | - |
| Wheels & Brakes |
| Brakes - Front | Double disc. ABS. Floating discs. Four-piston calipers. | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | Single disc. ABS. Floating disc. Single-piston caliper. | Single 230 mm disc with floating caliper |
| ABS | - | Bosch dual channel |
| Brake Fluid Type | DOT 4 | - |
| Rims | Cast aluminum | - |
| Tyre Pressure - Front | 36 PSI (2.5 Bar or 250 kPa) | - |
| Tyre Pressure - Rear | 42 PSI (2.9 Bar or 290 kPa) | - |
| Tyres - Front | 120/70-ZR17 | 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 |