Triumph Bonneville T120 Black - 2018 Specifications and Reviews

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.

4 stars Average rating: 4 from 3 votes
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General information

CategoryClassic
Year2018
ModelTriumph Bonneville T120 Black

Engine and Transmission Specifications

Exhaust systemBlack 2 into 2 exhaust system with twin black silencers
Greenhouse gases104.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption4.50 litres/100 km (22.2 km/l or 52.27 mpg)
DrivelineX ring chain. Primary drive: Gear.
ClutchWet, multi-plate assist clutch
Transmission type,final driveChain
Gearbox6-speed
Cooling systemAir
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection
Valves per cylinder4
Bore x Stroke97.6 x 80.0 mm (3.8 x 3.1 inches)
Compression10.0:1
Torque105.00 Nm (10.7 kgf-m or 77.4 ft.lbs) @ 3100 RPM
Power80.00 HP (58.4 kW) @ 6550 RPM
Engine detailsBlack engine
Engine typeTwin, four-stroke
 
 

Brakes, suspension, Frame and wheels

WheelsWire spoked. Black.
Rear brakes diameter255 mm (10.0 inches)
Rear brakesSingle disc. ABS. Nissin 2-piston floating caliper
Front brakes diameter310 mm (12.2 inches)
Front brakesSingle disc. ABS. Nissin 2-piston floating caliper
Rear tyre150/80-R17
Front tyre100/90-18
Rear wheel travel120 mm (4.7 inches)
Rear SuspensionKayaba twin shocks with adjustable preload,
Front wheel travel120 mm (4.7 inches)
Front SuspensionKayaba 41mm cartidge forks,
Trail105 mm (4.1 inches)
Rake (fork angle)25.5°
Frame typeTubular steel cradle. Twin-sided, tubular steel swing arm.
 
 

Physical measures and capacities

Oil capacity4.50 litres (0.30 quarts)
Fuel capacity12.87 litres (3.40 gallons)
Wheelbase1,445 mm (56.9 inches)
Overall width785 mm (30.9 inches)
Overall length2,230 mm (87.8 inches)
Overall height1,125 mm (44.3 inches)
Seat height790 mm (31.1 inches) If adjustable, lowest setting.
Power/weight ratio0.3571 HP/kg
Dry weight224.0 kg (493.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty24 months unlimited milage
InstrumentsLCD multi-functional instrument pack with analogue speedometer, analogue tachometer, gear position indicator, fuel gauge, range to empty indication, service indicator, clock, trip computer.
StarterElectric
Color optionsJet Black, Matt Graphite

Performance Profile & Rider Fit

77 hp
Peak Power
5.2s
0-60 mph

Best For

Track15%
City60%
Cornering50%
Daily Riding72%
Touring63%
Passenger65%

Rider Profile

Best ForWell suited to newer and experienced riders alike thanks to its predictable power delivery and confidence-inspiring low-speed manners.
PurposeBuilt as a classic-styled roadster for relaxed cruising, weekend rides, and everyday commuting rather than outright performance.
Rider FitA substantial 263kg wet weight combined with a low seat height makes it manageable at a stop but requires deliberate effort in slow maneuvers and parking.
CharacterDelivers a torquey, characterful parallel-twin experience with classic British styling and modern underpinnings for smooth, unhurried riding.
Not Ideal ForNot the right choice for riders seeking sharp sportbike handling, high-speed thrills, or any serious off-road capability.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 Triumph Bonneville T120 Black Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 790mm, a rider of 175cm with a 79cm (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.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

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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