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2018Triumph Bonneville T120

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The 2018 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, wire-spoked wheels, and timeless aesthetic, it delivers approachable performance and easy handling. Best suited for everyday riding and weekend cruises, this bike balances authentic heritage appeal with practical contemporary features.

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

⇄ Compare with another bike All model years

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 2018 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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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: Air
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: 1446 mm
Overall length: 2230 mm
Overall width: 739 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: Black, white, silver, silver/red
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	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	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

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MotorcycleDB Review

The 2018 Triumph Bonneville T120 is a classic and stylish motorcycle that delivers a smooth and powerful riding experience. With its 1200cc parallel-twin engine, it offers plenty of torque and a deep, rich exhaust note that is sure to turn heads. The comfortable riding position, excellent handling, and retro-inspired design make it a great choice for riders who appreciate both style and performance. Whether you're cruising on the highway or navigating city streets, the T120 provides a confident and enjoyable ride.

For riders looking for a modern classic motorcycle with a timeless appeal, the 2018 Triumph Bonneville T120 is a top contender. Its combination of classic style, advanced technology, and impressive performance make it a standout choice in its class. With its high-quality build and attention to detail, the T120 is sure to please riders who appreciate the best of both worlds - modern reliability and classic design. Experience the thrill of riding a Triumph with the 2018 Bonneville T120.