Naked Motorcycles

2021Triumph Street Triple RS

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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 120 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.

Capacity: 765.0 ccm
Engine: In-line three-cylinder, four-stroke
Gearbox: 6-speed
Dry weight: 166.0 kg
Seat height: 825 mm
Power: 119.5 HP (89.1 kW) @ 11650 RPM

⇄ Compare with another bike ＋ Add to garage All model years

Other years 2017 2018 2019 2020 2021 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering97%

City riding70%

Daily riding65%

Touring40%

Two-up35%

Track88%

Best for: Built primarily for spirited road riding and cornering thrills, with enough polish for occasional track days.
Built for: 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.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 825mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2021 Triumph Street Triple RS, with a relaxed knee angle of around 125 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Range and running costs

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Units

Currency

Fuel per litre

Riding a year

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine

Capacity: 765.0 ccm
Power: 119.5 HP (89.1 kW) @ 11650 RPM
CO2 Emissions: 144 CO2 g/km
EPA Certificate No.: MTDXC.765DES-005
EPA Est. Fuel Consumption: 6.13 L/100km (38.4 US mpg)
EPA CO Emissions: 1.0 CO g/km
Torque: 79.0 Nm (8.1 kgf-m) @ 9350 RPM
Engine type: In-line three-cylinder, four-stroke
Fuel consumption: 5.20 litres/100 km (19.2 km/l)
Power/weight ratio: 0.7199 HP/kg (dry)
Bore x stroke: 78.0 x 53.4 mm
Compression: 12.5:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Aspiration: Naturally aspirated
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet. multi-plate, slip assisted

Performance

0-60 mph: 3.25 seconds
0-100 km/h (0-62 mph): 3.30 seconds

Dimensions & weight

Wheelbase: 1405 mm
Overall length: 2055 mm
Overall width: 775 mm
Overall height: 1085 mm
Seat height: 825 mm
Dry weight: 166.0 kg
Fuel capacity: 17.40 litres
Oil capacity: 3.80 litres

Chassis & suspension

Frame: Aluminium beam twin spar. Rear 2 piece high pressure die cast.
Front suspension: Showa 41mm upside down big piston forks
Rear suspension: Ohlins STX40 piggyback reservoir monoshock,
Front wheel travel: 115 mm
Rear wheel travel: 131 mm
Rake (fork angle): 23.9°
Trail: 100 mm

Brakes & wheels

Front brakes: Double disc. Brembo 4-piston 4-pad radial calipers. Switchable ABS.
Front brakes diameter: 310 mm
Rear brakes: Single disc. Brembo single 2-piston sliding caliper. Switchable ABS.
Rear brakes diameter: 255 mm
ABS: Yes
Front tyre: 120/70-ZR17
Rear tyre: 180/55-ZR17

Other

Color options: Matt Jet Black, Silver Ice
Warranty: 24

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2017	2019	2021	2022	2024
Capacity	765 cc	765 cc	765 cc	765 cc	765 cc
Dry weight	166 kg	166 kg	166 kg	166 kg	166 kg
Seat height	810 mm	825 mm	825 mm	825 mm	825 mm
Fuel capacity	17.4 L	17.4 L	17.4 L	17.4 L	17.4 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

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.

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