Triumph Street Twin (2021) vs Ducati 450 R/T (1971)
Comparison technical specifications
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| Make: | Triumph | Ducati |
| Model: | Street Twin | 450 R/T |
| Years: | 2021 | 1971 |
| Engine: | Four stroke, 270° Crank angle parallel twin, SOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, bevel gear driven |
| Capacity: | 900 cc / 54.9 cu-in | 435.7 cc / 26.6 cu in |
| Bore x Stroke: | 84.6 x 80 mm | 86 x 75 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 11.0:1 | 9.0:1 |
| Induction: | Multipoint sequential electronic fuel injection, ride by wire | Dell'Orto VHB 29 AD |
| Ignition: | Digital | Flywheel magneto |
| Starting: | Electric | Kick |
| Max Power: | 47.8 kW / 64.1 hp @ 7500 rpm | 38 hp / 28.3 kW @ 6500 rpm |
| Clutch: | Wet, multi-plate assist clutch | Wet, multiplate |
| Transmission: | 5-Speed | 5 Speed |
| Final Drive: | O ring Chain | Chain |
| Front Suspension: | 41 mm Kayaba fork, non-adjustable with cartridge damping | Marzocchi telescopic fork |
| Rear Suspension: | Twin RSUs, with pre-load adjustment | Swingarm, dual Marzocchi shocks |
| Front Brakes: | Single 310mm floating disc, Brembo 4 piston fixed axial caliper | Drum |
| Rear Brakes: | Single 255mm disc, Nissin 2 piston floating caliper | Drum |
| Front Tyre: | 100/90-18 | 3.00-21 |
| Rear Tyre: | 150/70 R17 | 4.00-18 |
| Wheelbase: | 1415 mm / 55.7 in | 1435.1 mm / 56.5 in |
| Seat Height: | 765 mm / 30.1 in | 838.2 mm / 33.0 in |
| Wet Weight: | 216 kg / 476 lbs | 129.2 kg / 285 lbs |
| Fuel Capacity: | 12 Litres / 3.2 US gal | 8.5 L / 2.25 US gal |