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Naked Motorcycles

2020Triumph Bonneville T120

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The 2020 Triumph Bonneville T120 is a retro-styled middleweight cruiser that appeals to riders seeking classic British character with modern reliability. Known for its air-cooled parallel-twin engine, authentic vintage aesthetics, and comfortable ergonomics, it excels as an accessible entry point to Triumph's iconic heritage. Wire-spoked wheels and traditional styling define its nostalgic appeal while contemporary features like ABS and electronic instruments ensure everyday practicality.

Capacity: 1200.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 6-speed
Wet weight: 224.0 kg
Seat height: 790 mm
Power: 79.1 HP (57.8 kW) @ 6550 RPM

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What’s new for the 2020 Triumph Bonneville T120

vs the 2019

Spec	2019	2020
Power	80.0 HP (58.4 kW) @ 6550 RPM	79.1 HP (57.8 kW) @ 6550 RPM

Other years 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering55%

City riding65%

Daily riding78%

Touring68%

Two-up70%

Track20%

Best for: Built for relaxed classic-styled riding, everyday commuting, and light touring rather than outright performance.
Built for: A charming, torque-rich retro roadster that prioritizes classic looks, easy manners, and relaxed cruising over sharp sportiness.
Not ideal for: Not suited for riders seeking sportbike-level speed, aggressive cornering ability, or any 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 790mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2020 Triumph Bonneville T120, with a relaxed knee angle of around 120 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 751-820 mm — Middle Ground →

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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: 1200.0 ccm
Power: 79.1 HP (57.8 kW) @ 6550 RPM
CO2 Emissions: 114 CO2 g/km
EPA Certificate No.: LTDXC1.20DVD-002-R02
EPA Est. Fuel Consumption: 4.86 L/100km (48.4 US mpg)
EPA CO Emissions: 1.0 CO g/km
Torque: 105.0 Nm (10.7 kgf-m) @ 3100 RPM
Engine type: Parallel Twin, four-stroke
Fuel consumption: 4.50 litres/100 km (22.2 km/l)
Power/weight ratio: 0.3531 HP/kg (wet)
Bore x stroke: 97.6 x 80.0 mm
Compression: 10.0:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Digital-inductive type via engine management system
Aspiration: Naturally aspirated
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, multi-plate assist clutch

Dimensions & weight

Wheelbase: 1450 mm
Overall length: 2230 mm
Overall width: 785 mm
Overall height: 1100 mm
Seat height: 790 mm
Wet weight: 224.0 kg
Fuel capacity: 14.50 litres
Oil capacity: 4.50 litres
Dry weight: Not on record - add it

Chassis & suspension

Frame: Tubular steel cradle. Twin-sided, tubular steel swing arm.
Front suspension: Kyb 41mm cartidge forks,
Rear suspension: Kyb twin shocks with adjustable preload,
Front wheel travel: 120 mm
Rear wheel travel: 120 mm
Rake (fork angle): 25.5°
Trail: 105 mm

Brakes & wheels

Front brakes: Single disc. ABS. Nissin 2-piston floating caliper
Front brakes diameter: 310 mm
Rear brakes: Single disc. ABS. Nissin 2-piston floating caliper
Rear brakes diameter: 255 mm
ABS: Yes
Front tyre: 100/90-18
Rear tyre: 150/70-R17

Other

Color options: Jet Black, Storm Grey/Baja orange, Aluminium Silver, Fusion White/Aegan Blue
Warranty: 24

Specs last verified against published sources: October 2026.

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	2016	2019	2020	2021	2024	2026
Capacity	1200 cc	1200 cc	1200 cc	1200 cc	1200 cc	1200 cc
Dry weight	—	—	—	224 kg	224 kg	224 kg
Seat height	785 mm	790 mm	790 mm	790 mm	790 mm	790 mm
Fuel capacity	14.5 L	14.5 L	14.5 L	14.5 L	14.5 L	14.5 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 2020 Triumph Bonneville T120 is a stunning and comfortable motorcycle that combines classic style with modern performance. The 1200cc parallel-twin engine delivers smooth and responsive power, making it a joy to ride on both city streets and open highways. The T120's timeless design features a sculpted tank, wire-spoked wheels, and brushed aluminum engine covers, capturing the essence of the original Bonneville while incorporating modern technology such as ABS, traction control, and ride-by-wire throttle.

With its refined performance and classic aesthetic, the 2020 Triumph Bonneville T120 is a standout in the modern motorcycle market. Its combination of style, comfort, and power makes it a top choice for riders seeking a balance of heritage and innovation. Whether you're a fan of the original Bonneville or a newcomer to the brand, the T120 delivers a truly exceptional riding experience that is sure to impress.

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