Naked Motorcycles

2018Triumph Bonneville T120 Black

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The 2018 Triumph Bonneville T120 Black is a retro-styled middleweight cruiser that appeals to riders seeking classic aesthetics with modern reliability. Known for its air-cooled parallel-twin engine and commanding presence, it delivers a nimble, manageable riding experience complemented by quality engineering and a 24-month warranty.

Capacity: 1200.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 6-speed
Wet weight: 224.0 kg
Seat height: 790 mm
Power: 80.0 HP (58.4 kW) @ 6550 RPM

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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%

Cornering50%

City riding60%

Daily riding72%

Touring63%

Two-up65%

Track15%

Best for: Built as a classic-styled roadster for relaxed cruising, weekend rides, and everyday commuting rather than outright performance.
Built for: Delivers a torquey, characterful parallel-twin experience with classic British styling and modern underpinnings for smooth, unhurried riding.
Not ideal for: Not the right choice for riders seeking sharp sportbike handling, high-speed thrills, or any serious 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 2018 Triumph Bonneville T120 Black, 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: 80.0 HP (58.4 kW) @ 6550 RPM
CO2 Emissions: 114 CO2 g/km
EPA Certificate No.: JTDXC1.20DVD-007
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: 0.3571 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: 1445 mm
Overall length: 2230 mm
Overall width: 785 mm
Overall height: 1125 mm
Seat height: 790 mm
Wet weight: 224.0 kg
Fuel capacity: 12.90 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: Kayaba 41mm cartidge forks,
Rear suspension: Kayaba 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: 150/80-R17

Other

Color options: Jet Black, Matt Graphite
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	2018	2019	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	12.9 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

4.0

★★★★☆

Rider rating

MotorcycleDB

The 2018 Triumph Bonneville T120 Black is a stunning and powerful motorcycle that offers both classic style and modern performance. With its sleek black design and iconic silhouette, this bike is sure to turn heads on the road. The T120 Black is equipped with a 1200cc high-torque engine that delivers impressive power and smooth acceleration, making it a joy to ride. The riding experience is also enhanced by advanced technology features such as traction control and ABS brakes, ensuring a safe and enjoyable journey for riders.

One of the standout features of the 2018 Triumph Bonneville T120 Black is its timeless design, which pays homage to the classic Bonneville bikes of the past while incorporating modern engineering and technology. The blacked-out color scheme gives the bike a sleek and stylish look that is sure to appeal to riders with a taste for classic aesthetics with a contemporary twist. With its powerful engine and advanced safety features, the T120 Black is a top choice for motorcycle enthusiasts looking for a combination of style and performance.

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