2024Triumph Bonneville T120 Gold Line

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The 2024 Triumph Bonneville T120 Gold Line is a classic 1200cc twin suited for riders seeking authentic retro styling with modern reliability. Its 79 horsepower air-cooled engine and torquey power delivery make it ideal for leisurely cruising and spirited road riding. This British icon blends timeless design with contemporary technology including fuel injection and liquid cooling.

Capacity: 1200.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 6-speed
Wet weight: 236.0 kg
Seat height: 790 mm
Power: 79.0 HP (58.2 kW) @ 6550 RPM

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Other years 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering55%

City riding65%

Daily riding75%

Touring65%

Two-up60%

Track20%

Best for: Built for relaxed cruising, weekend rides, and stylish commuting rather than outright speed or track work.
Built for: A retro-styled, torque-friendly parallel twin that delivers smooth, unhurried power with genuine classic Bonneville charm.
Not ideal for: Not suited to riders seeking sharp sport handling, high top-end power, 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 2024 Triumph Bonneville T120 Gold Line, 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

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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: 79.0 HP (58.2 kW) @ 6550 RPM
CO2 Emissions: 109 CO2 g/km
Torque: 104.9 Nm (10.7 kgf-m) @ 3500 RPM
Engine type: Parallel Twin, four-stroke
Fuel consumption: 4.70 litres/100 km (21.3 km/l)
Power/weight ratio: 0.3347 HP/kg (wet)
Bore x stroke: 97.6 x 80.0 mm
Compression: 10.0:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Clutch: Wet, multi-plate torque assist clutch

Dimensions & weight

Wheelbase: 1450 mm
Overall length: 2230 mm
Overall width: 780 mm
Overall height: 1100 mm
Seat height: 790 mm
Wet weight: 236.0 kg
Fuel capacity: 14.50 litres
Oil capacity: 4.50 litres
Dry weight: Not on record - add it

Chassis & suspension

Frame: Tubular steel, with twin cradles
Front suspension: 41mm cartridge forks
Rear suspension: Twin RSU’s, with pre-load adjustment
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. Brembo 2-piston floating caliper
Front brakes diameter: 310 mm
Rear brakes: Single disc. ABS. Nissin 2-piston floating caliper
ABS: Yes
Front tyre: 100/90-18
Rear tyre: 150/70-R17

Other

Color options: Silver Ice/Competition Green/Gold
Warranty: 24
Comments: Ride-by-wire throttle with switchable traction control. 2 riding modes Road and Rain. Cruise control.

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