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2018Triumph Bonneville T100

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The 2018 Triumph Bonneville T100 is a retro-styled middleweight cruiser that appeals to riders seeking classic British charm with modern reliability. Known for its iconic silhouette, responsive handling, and accessible seat height, it excels as a versatile daily rider or weekend cruiser. The air-cooled parallel-twin engine delivers spirited performance in a manageable, approachable package.

Capacity: 865.0 ccm
Engine: Parallel Twin, four-stroke
Gearbox: 5-speed
Wet weight: 213.0 kg
Seat height: 790 mm
Power: 55.0 HP (40.1 kW) @ 5900 RPM

⇄ Compare with another bike All model years

What’s new for the 2018 Triumph Bonneville T100

vs the 2017

Spec	2017	2018
Dry weight	205.0 kg (451.9 pounds)	not listed
Front brakes	Single disc. Nissin 2-piston floating caliper	Single disc. ABS. Nissin 2-piston floating caliper.
Rear brakes	Single disc. Nissin 2-piston floating caliper	Single disc. ABS. Nissin 2-piston floating caliper.

Other years 2004 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail15%

Cornering65%

City riding72%

Daily riding75%

Touring55%

Two-up55%

Track25%

Best for: Built primarily as a classic-styled roadster for relaxed commuting, weekend rides, and casual cruising rather than outright performance.
Built for: Offers a timeless, retro British roadster feel with smooth, torquey power delivery and easygoing, confidence-inspiring manners.
Not ideal for: Not the right choice for riders seeking aggressive sportbike speed, track-day performance, or 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 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Triumph Bonneville T100, 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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Full specifications

Engine

Capacity: 865.0 ccm
Power: 55.0 HP (40.1 kW) @ 5900 RPM
CO2 Emissions: 86 CO2 g/km
EPA Certificate No.: JTDXC.900BBF-006
EPA Est. Fuel Consumption: 3.67 L/100km (64.1 US mpg)
EPA CO Emissions: 2.7 CO g/km
Torque: 80.0 Nm (8.2 kgf-m) @ 3230 RPM
Engine type: Parallel Twin, four-stroke
Fuel consumption: 3.80 litres/100 km (26.3 km/l)
Power/weight ratio: 0.2582 HP/kg (wet)
Bore x stroke: 84.6 x 80.0 mm
Compression: 10.5:1
Cooling system: Air
Fuel system: Injection
Starting: Electric
Ignition: Digital-inductive type via engine management system
Aspiration: Naturally aspirated
Valves per cylinder: 4

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, multi-plate assist clutch

Dimensions & weight

Wheelbase: 1450 mm
Overall length: 2230 mm
Overall width: 715 mm
Overall height: 1100 mm
Seat height: 790 mm
Wet weight: 213.0 kg
Fuel capacity: 14.40 litres
Oil capacity: 4.50 litres
Dry weight: Not on record - add it

Chassis & suspension

Frame: Tubular steel twin cradle. Twin-sided, tubular steel swing arm.
Front suspension: KYB 41mm forks
Rear suspension: KYB chromed spring twin shocks with adjustable preload
Front wheel travel: 120 mm
Rear wheel travel: 120 mm
Rake (fork angle): 25.5°
Trail: 104 mm

Brakes & wheels

Front brakes: Single disc. ABS. Nissin 2-piston floating caliper.
Front brakes diameter: 310 mm
Rear brakes: Single disc. ABS. Nissin 2-piston floating caliper.
Rear brakes diameter: 255 mm
ABS: Yes
Front tyre: 100/90-18
Rear tyre: 150/70-R17

Other

Color options: Jet black, Fusion White/Aegean Blue, New England White/ Intense Orange
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	2004	2010	2016	2018	2021	2026
Capacity	790 cc	865 cc	865 cc	865 cc	900 cc	900 cc
Dry weight	205 kg	205 kg	205 kg	—	213 kg	—
Seat height	775 mm	775 mm	775 mm	790 mm	790 mm	790 mm
Fuel capacity	16 L	16 L	15.9 L	14.4 L	14.5 L	—

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

Rider Reviews

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MotorcycleDB Review

The 2018 Triumph Bonneville T100 is a classic and timeless motorcycle that offers a perfect balance of style and performance. With its iconic design and modern technology, the T100 is a great choice for riders who appreciate the heritage of the Bonneville line. The 900cc engine delivers smooth and responsive power, while the comfortable riding position and agile handling make for an enjoyable riding experience. Whether you're cruising around town or hitting the open road, the T100 is a reliable and stylish companion.

In addition to its impressive performance, the 2018 Triumph Bonneville T100 also boasts high-quality components and attention to detail. The classic styling is complemented by modern features such as ABS brakes, traction control, and ride-by-wire throttle. The T100 also offers a range of customization options, allowing riders to make the bike their own. Overall, the 2018 Triumph Bonneville T100 is a fantastic choice for riders who want a classic yet modern motorcycle with timeless appeal and excellent performance.