Naked Motorcycles
2021Triumph Street Twin Gold Line
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The 2021 Triumph Street Twin Gold Line is a classic middleweight motorcycle designed for riders seeking authentic retro styling with modern reliability. Its 900cc parallel-twin engine delivers accessible 65 horsepower and 80 Nm of torque, making it ideal for both new riders and experienced enthusiasts who appreciate vintage aesthetics. Known for its manageable performance, lightweight handling, and timeless British design, the Street Twin Gold Line excels as an everyday commuter and weekend cruiser.
- Capacity
- 900.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 215.9 kg
- Seat height
- 765 mm
- Power
- 65.0 HP (47.4 kW) @ 7500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A classic-styled roadster built for everyday commuting, weekend cruising, and stylish city riding rather than outright performance.
- Built for
- A charming, retro-styled twin with a punchy low-down torque feel and relaxed, upright riding position.
- Not ideal for
- Not the right choice for riders wanting long-distance touring comfort, high-speed performance, or 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?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased 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.
Engine
- Capacity
- 900.0 ccm
- Power
- 65.0 HP (47.4 kW) @ 7500 RPM
- CO2 Emissions
- 90 CO2 g/km
- Torque
- 80.0 Nm (8.2 kgf-m) @ 3800 RPM
- Engine type
- Parallel Twin, four-stroke
- Fuel consumption
- 3.90 litres/100 km (25.6 km/l)
- Power/weight ratio
- 0.3011 HP/kg (wet)
- Bore x stroke
- 84.6 x 80.0 mm
- Compression
- 11.0:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Valves per cylinder
- 4
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Clutch
- Wet. multi-plate assist
Dimensions & weight
- Wheelbase
- 1450 mm
- Overall width
- 785 mm
- Overall height
- 1110 mm
- Seat height
- 765 mm
- Wet weight
- 215.9 kg
- Fuel capacity
- 12.10 litres
- Oil capacity
- 3.80 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Tubular steel, with twin cradles
- Front suspension
- 41mm cartridge forks
- Rear suspension
- Twin RSUs with preload adjustment
- Front wheel travel
- 120 mm
- Rear wheel travel
- 120 mm
- Rake (fork angle)
- 25.1°
- Trail
- 102 mm
Brakes & wheels
- Front brakes
- Single disc. ABS. Floating discs. Brembo 4-piston calipers.
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc. ABS. Floating disc. Nissin 2-piston calipers.
- ABS
- Yes
- Front tyre
- 100/90-18
- Rear tyre
- 150/70-R17
Other
- Color options
- Matt Sapphire Black/Gold
- Comments
- Ride-by-wire throttle with switchable traction control. 2 riding modes, road and rain. Under seat USB charging socket.
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 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|
| Capacity | 900 cc | 900 cc | 900 cc | 900 cc |
| Seat height | 765 mm | 770 mm | 765 mm | 765 mm |
| Fuel capacity | 12.1 L | 12.1 L | 12.1 L | 12.1 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Triumph Street Twin Gold Line?
The 2021 Triumph Street Twin Gold Line has a Capacity of 900.0 ccm (54.92 cubic inches).
What engine power does the Triumph Street Twin Gold Line have?
The 2021 Triumph Street Twin Gold Line has a Power of 65.0 HP (47.4 kW) @ 7500 RPM.
How many gears does the Triumph Street Twin Gold Line have?
The 2021 Triumph Street Twin Gold Line has a Gearbox of 5-speed.
What is the torque of the Triumph Street Twin Gold Line?
The 2021 Triumph Street Twin Gold Line has a Torque of 80.0 Nm (8.2 kgf-m or 59.0 ft.lbs) @ 3800 RPM.
How much does the Triumph Street Twin Gold Line weigh?
The 2021 Triumph Street Twin Gold Line has a Wet weight of 215.9 kg (476.0 pounds).
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The 2021 Triumph Street Twin Gold Line motorcycle is a stunning and powerful machine that delivers on both style and performance. Its eye-catching gold accents and sleek design make it a true head-turner on the road. With its 900cc engine, the Street Twin Gold Line offers impressive power and a smooth, responsive ride. Whether you're a seasoned rider or a beginner, this motorcycle is sure to impress with its handling and overall performance.
In addition to its impressive looks and performance, the 2021 Triumph Street Twin Gold Line also comes equipped with advanced technology features, including ride-by-wire throttle, ABS, and traction control. These features enhance the overall riding experience and provide added safety and confidence on the road. Overall, the Street Twin Gold Line is a top-notch motorcycle that offers a perfect balance of style, performance, and advanced technology, making it a standout option in the modern motorcycle market.
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