Comparison of Triumph Bonneville Bobber 2021 and Triumph Street Twin 2021 [S]ave
| Attribute |  Triumph Bonneville Bobber 2021 × |  Triumph Street Twin 2021 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2021 |
| Make | Triumph | Triumph |
| Model | Triumph Bonneville Bobber | Triumph Street Twin |
| Category | Allround | Classic |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Twin, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection. Multipoint sequential electronic injection | Injection. Multipoint sequential electronic fuel injection |
| Engine details | 270° crank angle parallel twin | 270° crank angle |
| Displacement (cm³) | 1,200 | 900 |
| Power (kw) | 56.1 | 47.4 |
| Fuel consumption (l/100km) | 4.1 | 3.87 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 106 | 80 |
| Bore (mm) | 97.6 | 84.6 |
| Stroke (mm) | 80 | 80 |
| Gearbox | 6-speed | 5-speed |
| Greenhouse gases | 95.1 CO2 g/km. (CO2 - Carbon dioxide emission) | 89.8 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Single Overhead Cams (SOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Emission details | Euro 4 | - |
| Ignition | Digital-inductive type via engine management system | - |
| Clutch | Wet, multi-plate assist clutch | Wet. multi-plate assist |
| Compression | 10.0:1 | 11.0:1 |
| Exhaust system | Brushed stainless steel 2 into 2 twin-skin exhaust system with brushed stainless silencers. | Brushed stainless steel 2 into 2 exhaust system with twin silencers |
| Chassis | ||
| Front suspension | Showa cartridge forks, 47mm | 41mm cartridge forks |
| Rear suspension | Mono-shock RSU with linkage | Twin RSUs with preload adjustment |
| Front brakes | Single disc. ABS. Brembo 2-piston floating caliper | Single disc. ABS. Floating discs. Brembo 4-piston calipers. |
| Rear brakes | Single disc. ABS. Nissin single piston floating caliper. | Single disc. ABS. Floating disc. Nissin 2-piston calipers. |
| Diameter (mm) | 255 | 255 |
| Frame type | Tubular steel cradle. Twin-sided, tubular steel swing arm. | Tubular steel, with twin cradles |
| Front tyre | MT90-B16 | 100/90-18 |
| Rear tyre | 150/80-R16 | 150/70-R17 |
| Seat | Solo seat | - |
| Wheels | Wire 32-spoke, steel rims | Cast aluminium alloy multi-spoke |
| Front wheel travel (mm) | 90 | 120 |
| Rear wheel travel (mm) | 77 | 120 |
| Trail (mm) | 92 | 102 |
| Rake (fork angle) (degree) | 24.5 | 25.1 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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|
| Instruments | Analogue speedometer with LCD multi-functional display | Analogue speedometer with LCD multi-functional display |
| Dimensions | ||
| Wheelbase (mm) | 1,500 | 1,450 |
| Kerb weight (kg) | 250.8 | 215.9 |
| Overall height (mm) | 1,025 | 1,110 |
| Overall width (mm) | 800 | 785 |
| Seat height (mm) | 690 | 765 |
| Alternate seat height | 700 | - |
| Performance | ||
| Fuel capacity (l) | 12 | 12.11 |
| Oil capacity (l) | 4.5 | 3.8 |
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