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Cruisers

2021Triumph Bonneville Bobber

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The 2021 Triumph Bonneville Bobber is a 1200cc air-cooled cruiser that appeals to riders seeking classic styling with modern performance and reliability. Known for its aggressive bobber aesthetic, low-slung stance, and punchy 270-degree parallel twin engine, it delivers accessible power and torque ideal for both highway cruising and city riding. The liquid-cooled engine and six-speed transmission provide smooth, dependable performance for experienced riders who value retro charm over raw speed.

Capacity
1200.0 ccm
Engine
Parallel Twin, four-stroke
Gearbox
6-speed
Wet weight
250.8 kg
Seat height
690 mm
Power
76.9 HP (56.1 kW) @ 6100 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 Triumph Bonneville Bobber

vs the 2020
Spec20202021
Power 76.0 HP (55.5 kW) @ 6100 RPM 76.9 HP (56.1 kW) @ 6100 RPM
Dry weight 228.0 kg (502.7 pounds) not listed
Fuel capacity 9.00 litres (2.38 US gallons) 12.00 litres (3.17 US gallons)
Front suspension KYB 41mm forks Showa cartridge forks, 47mm
Rear suspension KYB monoshock with linkage Mono-shock RSU with linkage
Front brakes Single disc. ABS. Nissin 2-piston floating caliper Single disc. ABS. Brembo 2-piston floating caliper
Other years 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 40Agility 50Comfort 50Off-road 10Touring 30Road manners 75
Off-road & trail10%
Cornering55%
City riding65%
Daily riding55%
Touring30%
Two-up20%
Track15%
Best for
Built primarily for stylish, relaxed cruising and short-to-medium rides where looks and feel matter as much as outright capability.
Built for
A torquey, characterful parallel twin wrapped in classic bobber styling, delivering relaxed, satisfying low-rev performance rather than high-rev thrills.
Not ideal for
Not suited to riders seeking sharp sport handling, long-distance touring comfort, 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?

Worked out in your browser - nothing is sent to us
At 690mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Triumph Bonneville Bobber, with a cramped knee angle of around 75 degrees and an upright 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 750 mm or under — Short Kings →

Find bikes that fit your height →

Range and running costs

Worked out in your browser - nothing is sent to us

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
76.9 HP (56.1 kW) @ 6100 RPM
CO2 Emissions
95 CO2 g/km
Torque
106.0 Nm (10.8 kgf-m) @ 4000 RPM
Engine type
Parallel Twin, four-stroke
Fuel consumption
4.10 litres/100 km (24.4 km/l)
Power/weight ratio
0.3066 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
Valves per cylinder
4
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, multi-plate assist clutch
Dimensions & weight
Wheelbase
1500 mm
Overall length
2225 mm
Overall width
800 mm
Overall height
1025 mm
Seat height
690 mm
Wet weight
250.8 kg
Fuel capacity
12.00 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
Showa cartridge forks, 47mm
Rear suspension
Mono-shock RSU with linkage
Front wheel travel
90 mm
Rear wheel travel
77 mm
Rake (fork angle)
24.5°
Trail
92 mm
Brakes & wheels
Front brakes
Single disc. ABS. Brembo 2-piston floating caliper
Front brakes diameter
310 mm
Rear brakes
Single disc. ABS. Nissin single piston floating caliper.
ABS
Yes
Front tyre
MT90-B16
Rear tyre
150/80-R16
Other
Color options
Jet Black, Cardovan Red, Matt storm Grey
Warranty
24

Specs last verified against published sources: .

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 201720192021202220242026
Capacity 1200 cc 1200 cc 1200 cc 1200 cc 1200 cc 1200 cc
Dry weight — 228 kg — 228 kg 228 kg 228 kg
Seat height 690 mm 690 mm 690 mm 690 mm 690 mm 690 mm
Fuel capacity 10.6 L 9 L 12 L 12 L 12 L 12 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2021 Triumph Bonneville Bobber is a tribute to the original 1950s bobber style, with a sleek, stripped-down design and modern performance. The motorcycle is powered by a 1200cc high-torque engine, delivering plenty of power and torque for a thrilling ride. It also features a comfortable solo seat, low-slung handlebars, and aggressive stance, making it a standout in the cruiser category. The Bobber's customizable options and innovative technology, such as ride-by-wire, ABS, and traction control, ensure a smooth and safe riding experience. Overall, the 2021 Triumph Bonneville Bobber is a stylish and powerful motorcycle that pays homage to the classic bobber design while delivering modern performance and comfort.

With its vintage-inspired design and impressive performance, the 2021 Triumph Bonneville Bobber is a standout option for motorcycle enthusiasts. The 1200cc high-torque engine, customizable features, and advanced technology make it a top choice for riders looking for a unique and powerful cruiser. Whether cruising through city streets or hitting the open road, the Triumph Bonneville Bobber delivers a thrilling and comfortable ride. Its combination of classic style and modern engineering sets it apart in the motorcycle market. If you're in the market for a stylish and powerful cruiser, the 2021 Triumph Bonneville Bobber is definitely worth considering.

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Common questions

What is the engine size of the Triumph Bonneville Bobber?

The 2021 Triumph Bonneville Bobber has a Capacity of 1200.0 ccm (73.23 cubic inches).

What engine power does the Triumph Bonneville Bobber have?

The 2021 Triumph Bonneville Bobber has a Power of 76.9 HP (56.1 kW) @ 6100 RPM.

How many gears does the Triumph Bonneville Bobber have?

The 2021 Triumph Bonneville Bobber has a Gearbox of 6-speed.

What is the torque of the Triumph Bonneville Bobber?

The 2021 Triumph Bonneville Bobber has a Torque of 106.0 Nm (10.8 kgf-m or 78.2 ft.lbs) @ 4000 RPM.

How much does the Triumph Bonneville Bobber weigh?

The 2021 Triumph Bonneville Bobber has a Wet weight of 250.8 kg (552.9 pounds).

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