14 August. Friday 2026
Triumph Street Triple RS - 2021 Specifications and Reviews
The 2021 Triumph Street Triple RS is a middleweight naked bike designed for riders seeking agile handling and accessible performance. Powered by a 765cc triple-cylinder engine producing 121 horsepower, it delivers responsive acceleration and distinctive character ideal for both commuting and spirited riding. Known for its lightweight chassis, sharp handling, and retro-modern styling, it excels as an everyday bike for enthusiasts who value versatility and fun.
General information | |
| Price as new | 4.3 See the detailed rating of engine performance, design and look, accident risk, etc. Compare with any other motorcycle. |
| Category | Naked bike |
| Year | 2021 |
| Model | Triumph Street Triple RS |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Stainless steel 3 into 1 exhaust system low single sided stainless steel silencer |
| Emission details | Euro 5 |
| Greenhouse gases | 120.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 5.20 litres/100 km (19.2 km/l or 45.23 mpg) |
| Driveline | X ring chain |
| Clutch | Wet. multi-plate, slip assisted |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Multipoint sequential electronic fuel injection with SAI |
| Valves per Cylinder | 4 |
| Bore x Stroke | 78.0 x 53.4 mm (3.1 x 2.1 inches) |
| Compression | 12.5:1 |
| Torque | 79.0 Nm (8.1 kgf-m or 58.3 ft.lbs) @ 9350 RPM |
| Power | 121.0 HP (88.3 kW) @ 11750 RPM |
| Engine type | In-line three, four-stroke |
| Capacity: | 765.0 ccm (46.68 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Cast aluminium alloy 5-spoke |
| Rear brakes | Single disc. Brembo single 2-piston sliding caliper. Switchable ABS. |
| Diameter | 310 mm (12.2 inches) |
| Front brakes | Double disc. Brembo 4-piston 4-pad radial calipers. Switchable ABS. |
| Rear tire | 180/55-ZR17 |
| Front tire | 120/70-ZR17 |
| Rear wheel travel | 131 mm (5.2 inches) |
| Rear Suspension | Ohlins STX40 piggyback reservoir monoshock, |
| Front wheel travel | 115 mm (4.5 inches) |
| Front Suspension | Showa 41mm upside down big piston forks |
| Trail | 100 mm (3.9 inches) |
| Rake (fork angle) | 23.9° |
| Frame type | Aluminium beam twin spar. Rear 2 piece high pressure die cast. |
| | |
Physical measures and capacities | |
| Oil capacity | 3.80 litres (4.02 US quarts) |
| Fuel capacity | 17.40 litres (4.60 US gallons) |
| Wheelbase | 1405 mm (55.3 inches) |
| Overall width | 775 mm (30.5 inches) |
| Overall length | 2055 mm (80.9 inches) |
| Overall height | 1085 mm (42.7 inches) |
| Seat height | 825 mm (32.5 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.7289 HP/kg |
| Dry weight | 166.0 kg (366.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 24 month warranty unlimited mileage |
| Instruments | Full-colour, 5´ TFT instrument pack with 2x Themes, 3x styles and high/low contrast options |
| Starter | Electric |
| Color options | Matt Jet Black, Silver Ice |
Performance Profile & Rider Fit
130 hp
Peak Power
3.2s
0-60 mph
Best For
Track88%
City70%
Cornering97%
Daily Riding65%
Touring40%
Passenger35%
Rider Profile
| Best For | This bike rewards intermediate to experienced riders who can make full use of its sharp, high-revving performance. |
| Purpose | Built primarily for spirited road riding and cornering thrills, with enough polish for occasional track days. |
| Rider Fit | A light, compact chassis with a moderately high seat that suits average-to-taller riders comfortable with a slight forward lean. |
| Character | Aggressive, precise, and eager, this is a sharp-edged street weapon with premium suspension and brakes to match its lively three-cylinder engine. |
| Not Ideal For | Not ideal for riders seeking long-distance comfort, pillion-friendly touring, or any kind of off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Triumph Street Triple RS is a powerful and exciting motorcycle that offers an impressive riding experience. With a responsive 765cc engine and a lightweight chassis, this bike delivers excellent performance and handling. The stylish design and aggressive stance make it a head-turner on the road, while the advanced technology features, such as ride-by-wire throttle and adjustable suspension, enhance the overall comfort and control for the rider. Whether you're navigating through city streets or hitting the open road, the Street Triple RS delivers a thrilling and dynamic ride that will satisfy any motorcycle enthusiast. Overall, the 2021 Triumph Street Triple RS is a top-notch motorcycle that offers a perfect blend of power, agility, and style. From its high-performance engine to its advanced technology features, this bike is designed to deliver an exhilarating riding experience. Whether you're a seasoned rider or a newcomer to the world of motorcycles, the Street Triple RS is a versatile and impressive option that will surely leave a lasting impression.Add a Comment
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