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Cruisers

2021Triumph Bonneville Speedmaster

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The 2021 Triumph Bonneville Speedmaster is a 1200cc classic cruiser designed for riders seeking laid-back, retro-styled riding with modern reliability. Its 77 horsepower air-cooled twin engine delivers commanding low-end torque ideal for relaxed highway cruising and city riding. Known for authentic British styling combined with contemporary technology, it appeals to enthusiasts valuing character and timeless design over raw performance.

Capacity
1200.0 ccm
Engine
Parallel Twin, four-stroke
Gearbox
6-speed
Dry weight
245.5 kg
Seat height
705 mm
Power
77.0 HP (56.2 kW) @ 6100 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 Triumph Bonneville Speedmaster

vs the 2020
Spec20202021
Front suspension KYB 41 mm forks with cartridge damping 47 mm Showa cartridge forks
Rear suspension KYB monoshock with linkage and stepped preload adjuster Mono-shock RSU with linkage and preload adjustment
Other years 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 40Agility 35Comfort 78Off-road 10Touring 65Road manners 70
Off-road & trail10%
Cornering40%
City riding55%
Daily riding70%
Touring65%
Two-up70%
Track10%
Best for
Built for laid-back boulevard cruising and easy highway travel with strong low-rpm torque rather than outright top-end speed.
Built for
A classic-styled, chrome-laden parallel-twin cruiser that prioritizes smooth, relaxed torque delivery and comfortable long-haul stance over sharp handling.
Not ideal for
Not the right choice for riders seeking aggressive cornering performance, off-road capability, or lightweight flickable agility.

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 705mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Triumph Bonneville Speedmaster, 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 →

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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
77.0 HP (56.2 kW) @ 6100 RPM
Torque
106.0 Nm (10.8 kgf-m) @ 4000 RPM
Engine type
Parallel Twin, four-stroke
Fuel consumption
4.30 litres/100 km (23.3 km/l)
Power/weight ratio
0.3136 HP/kg (dry)
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
Final drive
Chain
Clutch
Wet, multi-plate, assist clutch
Dimensions & weight
Wheelbase
1500 mm
Overall length
2225 mm
Overall width
910 mm
Overall height
1055 mm
Seat height
705 mm
Dry weight
245.5 kg
Wet weight
263.1 kg
Fuel capacity
12.00 litres
Ground clearance
91 mm
Oil capacity
4.50 litres
Chassis & suspension
Frame
Tubular steel, twin cradle
Front suspension
47 mm Showa cartridge forks
Rear suspension
Mono-shock RSU with linkage and preload adjustment
Front wheel travel
90 mm
Rear wheel travel
73 mm
Rake (fork angle)
25.3°
Trail
91 mm
Brakes & wheels
Front brakes
Double 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
130/90-B16
Rear tyre
150/80-R16
Other
Color options
Jet Black, Red Hopper, Fusion White/Sapphire Black
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 201820202021202220242026
Capacity 1200 cc 1200 cc 1200 cc 1200 cc 1200 cc 1200 cc
Dry weight 246 kg 246 kg 246 kg 246 kg 263 kg —
Seat height 705 mm 705 mm 705 mm 705 mm 705 mm 705 mm
Fuel capacity 12.1 L 12 L 12 L 12 L 12 L 14 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 Speedmaster is a stunning motorcycle that combines classic design with modern performance. The iconic Bonneville style is evident in every aspect of this bike, from the timeless silhouette to the elegant chrome details. With a powerful 1200cc engine and a smooth 6-speed transmission, the Speedmaster offers an exhilarating riding experience. Whether you're cruising through city streets or hitting the open road, this motorcycle delivers nimble handling and ample power. The comfortable dual seat and spacious footboards make long rides a pleasure, and the adjustable handlebars allow for a personalized riding position. Packed with advanced technology such as ride-by-wire throttle and liquid cooling, the 2021 Triumph Bonneville Speedmaster is a perfect blend of heritage and innovation.

The 2021 Triumph Bonneville Speedmaster motorcycle is a true modern classic, offering a perfect balance of style and performance. With its timeless design and powerful engine, this bike is sure to turn heads and deliver an exciting ride. Whether you're a seasoned rider or just starting out, the Speedmaster is a versatile choice that offers both comfort and capability on the road. If you're in the market for a motorcycle that combines heritage with cutting-edge features, the 2021 Triumph Bonneville Speedmaster is definitely worth a closer look.

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Common questions

What is the engine size of the Triumph Bonneville Speedmaster?

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

What engine power does the Triumph Bonneville Speedmaster have?

The 2021 Triumph Bonneville Speedmaster has a Power of 77.0 HP (56.2 kW) @ 6100 RPM.

How many gears does the Triumph Bonneville Speedmaster have?

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

What is the torque of the Triumph Bonneville Speedmaster?

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

How much does the Triumph Bonneville Speedmaster weigh?

The 2021 Triumph Bonneville Speedmaster has a Dry weight of 245.5 kg (541.2 pounds).

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