| General |
| Year | 2017 - 18 | 2024 |
| Make Model | Ducati Monster 821 | Triumph Speed 400 |
| Dimensions |
| Seat Height | 785 mm - 810 mm / 30.9 in - 31.9 in | 790 mm / 31.1 in |
| Wheelbase | 1480 mm / 58.3 in | 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) | 206 | 170 |
| Dry Weight (kg) | 180.5 | - |
| Dry Weight | 180.5 kg / 398 lbs | - |
| Fuel Capacity | 16.5 Litres / 4.36 US gal | 13 Litres / 3.43 US gal |
| Wet Weight | 206 kg / 454 lbs | 170 kg / 375 lbs |
| Performance |
| Max Power | 80 kW / 109 hp @ 9250 rpm | 29.4 kW / 40hp @ 8000 rpm |
| Max Torque | 86 Nm / 9.1 kgf-m / 63 lb-ft @ 7750 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm |
| Engine |
| Displacement | 821 cc / 50.1 cu-in | 398 cc / 24.3 cu-in |
| Engine Detail | Four stroke, Testastretta 11° L-Twin, 4 Desmodromically actuated valves per cylinder | Four stroke, DOHC, single cylinder, 4 valves |
| Bore x Stroke | 88 x 67.5 mm | 89.0 x 64.0mm |
| Compression Ratio | 12.8:1 | 12.1:1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Emissions | - | Euro 5 |
| Exhaust | Stainless steel muffler and aluminium and cap; lightweight 2-1 system with catalytic converter with 2 lambda probes | - |
| Fuel Induction | Electronic fuel injection system, 53mm throttle bodies with full Ride by Wire | Bosch ride-by-wire EFI |
| Ignition | Marelli electronic | - |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Slipper and self-servo wet multiplate clutch with mechanical control | Wet multiplate with assist and slip functions |
| Final Drive | Chain, Front sprocket 15; Rear sprocket 46 | X-ring chain |
| Gear Ratios | 1st 37/15 2nd 30/17 3rd 28/20 4th 26/22 5th 24/23 6th 23/24 | - |
| Primary Drive | Straight cut gears, ratio 1.85:1 | - |
| Transmission / Drive | 6 Speed | 6-Speed |
| Chassis |
| Frame Type | Tubular steel Trellis frame attached to the cylinders head | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
| Suspension - Front | Kayaba 43mm upside-down fork | 43mm Showa Big Piston, non-adjustable inverted fork |
| Suspension - Rear | Progressive linkage with adjustable monoshock. Aluminum double-sided swingarm | Single shock, fixed damping with the shock adjustable piggy-back reservior |
| Rake | 24.3° | 26.6° |
| Swingarm | - | Twin-sided, cast aluminium alloy |
| Trail | 93.2mm / 3.7in | 101.6 mm / 4 in |
| Wheel Travel - Front | 130 mm / 5.1 in | 139.7 mm / 5.5 in |
| Wheel Travel - Rear | 140 mm / 5.5 in | 129.4 mm / 5.1 in |
| Electrical Systems |
| Instrumentation | - | Analogue speedometer with integrated multi-function LCD screen |
| Wheels & Brakes |
| Brakes - Front | 2 x 320 mm semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axial pump with ABS as standard equipment | Single 300 mm disc with radially mounted 4-piston caliper |
| Brakes - Rear | Single 245 mm disc, 2-piston floating calliper with ABS as standard equipment | Single 230 mm disc with floating caliper |
| ABS | - | Bosch dual channel |
| Tyres - Front | 120/70 ZR 17 Pirelli Diablo Rosso III | 110/70 x R17 |
| Tyres - Rear | 180/55 ZR17 Pirelli Diablo Rosso III | 150/60 x R17 |
| Wheels - Front | 10-spoke in light alloy, 3.50" x 17" | 17 x 3 in with 10-spoke cast aluminium alloy rims |
| Wheels - Rear | 10-spoke in light alloy, 5.50" x 17" | 17 x 4 in with 10-spoke cast aluminium alloy rims |