| General |
| Comments | - | Three Ride Modes (Rain, Road, Dynamic, incl. HSC). Six-axis sensor incl. ABS Pro and DTC. |
| Year | 2024 | - |
| Colours | - | Black Storm Metallic, San Marino Blue, 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 |
| Seat Height (in.) | - | 32.7 inches |
| Seat Height (mm) | - | 831 mm |
| Wheelbase (in.) | - | 56.7 inches |
| Width (in.) | - | 33.3 inches |
| Width (mm) | - | 845 mm |
| Wheelbase (mm) | - | 1439 mm |
| 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 |
| Wet Weight (kg) | 170 | 199.0 kg |
| Wet Weight (lbs.) | - | 438.7 pounds |
| Oil Capacity (Quarts) | - | 3.7 US quarts |
| Oil Capacity (l) | - | 3.50 litres |
| Fuel Capacity (gal.) | - | 4.62 US gallons |
| Fuel Capacity (l) | - | 17.50 litres |
| Fuel Capacity | 13 Litres / 3.43 US gal | - |
| Wet Weight | 170 kg / 375 lbs | - |
| Performance |
| Top Speed (km/h) | - | 199.6 km/h |
| Top Speed (mph.) | - | 124.0 mph |
| Max Power | 29.4 kW / 40hp @ 8000 rpm | - |
| Max Torque | 38 Nm / 28 ft-lbs @ 6500 rpm | 114.0 Nm (11.6 kgf-m or 84.1 ft.lbs) @ 9250 Revolutions">RPM |
| Engine |
| CO2 | - | 155.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Displacement (cc) | - | 999.0 cc |
| Displacement (ci) | - | 60.96 cubic inches |
| Bore x Stroke (in,) | - | 3.1 x 2.0 inches |
| Fuel Control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel Reserve (gal.) | - | 1.06 US gallons |
| Fuel Reserve (l) | - | 4.00 litres |
| Bore x Stroke (mm) | - | 80.0 x 49.7 mm |
| Engine Type | - | In-line four, four-stroke |
| 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 | 12.1:1 | 12.5:1 |
| Cooling System | Liquid cooled | - |
| Emissions | Euro 5 | Closed-loop 3-way catalytic converter, emission standard Euro 4 |
| 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 | Wet multiplate with assist and slip functions | Multi-disc oil bath (anti-hopping) with self-reinforcement |
| Final Drive | X-ring chain | Chain (final drive) |
| Gearbox | - | 6-speed |
| Sprocket | - | 17/45 (front/rear) |
| Transmission / Drive | 6-Speed | - |
| Chassis |
| Fork Tube Size (in.) | - | 1.8 inches |
| Wheel Travel - Rear (mm) | - | 117 mm |
| Wheel Travel - Rear (in.) | - | 4.6 inches |
| Wheel Travel - Front (mm) | - | 120 mm |
| Wheel Travel - Front (in.) | - | 4.7 inches |
| Trail (in.) | - | 3.9 inches |
| Trail (mm) | - | 99 mm |
| Fork Tube Size (mm) | - | 46 mm |
| Frame Type | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe | Bridge-type aluminum laminate frame with load-bearing engine |
| Suspension - Front | 43mm Showa Big Piston, non-adjustable inverted fork | Upside-down telescopic fork 46 mm, compression and rebound stage adjustable |
| Suspension - Rear | Single shock, fixed damping with the shock adjustable piggy-back reservior | Aluminum swingarm, central shock absorber, adjustable rebound and compression damping and adjustable spring preload |
| Rake | 26.6° | 24.8° |
| 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 | Analogue speedometer with integrated multi-function LCD screen | TFT display with connectivity |
| Lighting system | - | Full LED lighting |
| Wheels & Brakes |
| Brakes - Front | Single 300 mm disc with radially mounted 4-piston caliper | Double disc. ABS. Floating discs. Four-piston calipers. |
| Brakes - Rear | Single 230 mm disc with floating caliper | Single disc. ABS. Floating disc. Single-piston caliper. |
| ABS | Bosch dual channel | - |
| Brake Fluid Type | - | DOT 4 |
| Tyre Pressure - Front | - | 36 PSI (2.5 Bar or 250 kPa) |
| Tyre Pressure - Rear | - | 42 PSI (2.9 Bar or 290 kPa) |
| Tyres - Front | 110/70 x R17 | 120/70-ZR17 |
| 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 | - |