Naked Motorcycles

2023Triumph Bonneville T120 Black Gold Line

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The 2023 Triumph Bonneville T120 Black Gold Line is a modern classic that appeals to riders seeking timeless style with contemporary performance. Its 1200cc liquid-cooled twin produces smooth, accessible power ideal for both highway cruising and spirited riding. Known for authentic retro aesthetics paired with reliable engineering, it's best suited for riders who value character and heritage over raw speed.

Capacity: 1200.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 6-speed
Wet weight: 235.9 kg
Seat height: 790 mm
Power: 79.1 HP (57.8 kW) @ 6550 RPM

⇄ Compare with another bike ＋ Add to garage All model years ⚠ Recalls listed (3)

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%

Track25%

Best for: Built for classic-styled cruising, weekend rides, and relaxed commuting rather than outright performance.
Built for: A timeless, retro-styled parallel-twin roadster that blends vintage looks with modern reliability and rideability.
Not ideal for: Not ideal for riders seeking sharp sport performance, aggressive cornering ability, or genuine 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 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2023 Triumph Bonneville T120 Black 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 →

Find bikes that fit your height →

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
Torque: 105.0 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: 0.3353 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: 235.9 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: Matte Sapphire Black/Matte Silver Ice/Gold
Warranty: 24
Comments: Ride-by-wire throttle with switchable traction control. Cruise control. Limited edition.

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	2022	2023	2024
Capacity	1200 cc	1200 cc	1200 cc
Seat height	790 mm	790 mm	790 mm
Fuel capacity	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.

Safety Recalls

⚠ 3 recalls may apply

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATORFeb 2026 · 26V078000

Triumph Motorcycles America, Ltd. is recalling certain 2022-2024 Bonneville T100, Bonneville T120, Bonneville T120 Black, 2024 Bonneville T120 DGR, 2022 Street Twin, Street Scrambler, Street Twin Goldline, Street Scrambler Sandstor, 2023-2024 Speed Twin 900, and Scrambler 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.

Risk: Overheated wiring increases the risk of a crash or fire.

Remedy: Dealers will replace the current 2-piece connector body with a single in-line crimped connector solution for each of the three wires from the alternator assembly, free of charge. Owner notification letters were mailed March 19, 2026. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 641. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov February 18, 2026. Motorcycles included in this recall that were previously repaired under recall 24V785 will need to have the new remedy performed.

ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLESOct 2024 · 24V785000

Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2022-2024 Bonneville T100, T120, T120 Black, 2022 Triumph Street Scrambler, Street Scrambler Sandstorm, Street Twin, Street Twin Goldline, 2023-2024 Scrambler 900, and Speed Twin 900 motorcycles. The wiring between the alternator and main harness connector may short circuit and overheat.

Risk: Overheated wiring increases the risk of a fire or crash.

Remedy: Dealers will install a new wire alignment clip, free of charge. Owner notification letters were mailed November 18, 2024. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 627.

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISCMar 2023 · 23V146000

Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2023 Bonneville T120 and Bonneville T120 Black motorcycles. The left-hand side (LHS) brake disc may be improperly secured and can detach.

Risk: The detachment of the LHS brake disc can reduce brake performance, increasing the risk of a crash.

Remedy: Dealers will install a replacement damper and also replace the disc bolts, free of charge. Owner notification letters were mailed March 24, 2023. Owners may contact Triumph's customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 606.

These recalls cover some 2023 bikes of this model. Whether one applies to a specific bike, and whether the repair has already been done, depends on its VIN — check your VIN with NHTSA or ask a dealer.

Source: NHTSA. View all Triumph recalls →

Rider Reviews

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MotorcycleDB

The 2023 Triumph Bonneville T120 Black Gold Line is a stunning addition to the Bonneville lineup, with its sleek black and gold color scheme setting it apart from the standard T120 model. The classic T120 silhouette is enhanced by the luxurious gold pinstriping and blacked-out detailing, giving the bike a timeless yet modern aesthetic. In addition to its stylish looks, the T120 Black Gold Line offers impressive performance and handling, making it a must-have for riders who value both form and function in their motorcycle.

With its powerful 1200cc parallel-twin engine and comfortable ride, the 2023 Triumph Bonneville T120 Black Gold Line is a standout choice for riders looking for a classic yet modern motorcycle. The attention to detail in its design and engineering is evident, and the result is a bike that is as enjoyable to look at as it is to ride. Whether you're a long-time Triumph fan or a newcomer to the brand, the T120 Black Gold Line is sure to impress with its combination of style, performance, and heritage.

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