Triumph Bonneville T100 - 2021 Specifications and Reviews

The 2021 Triumph Bonneville T100 is a versatile 900cc naked bike suited to riders seeking classic styling with modern performance. Its liquid-cooled parallel-twin engine delivers accessible power and torque, making it equally at home for commuting, weekend rides, or casual touring. Known for its retro aesthetics combined with contemporary electronics and fuel injection, it appeals to both purists and practical riders.

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General information

CategoryAllround
Year2021
ModelTriumph Bonneville T100
 
 

Engine and Transmission Specifications

Exhaust systemBrushed stainless steel 2 into 2 exhaust system with twin silencers
Greenhouse gases88.9 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption3.83 litres/100 km (26.1 km/l or 61.42 mpg)
DrivelineX ring chain. Primary drive: Gear.
ClutchWet, multi-plate assist clutch
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital-inductive type via engine management system
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection. Multipoint sequential electronic injection
Bore x Stroke84.6 x 80.0 mm (3.3 x 3.1 inches)
Compression11.0:1
Torque80.0 Nm (8.2 kgf-m or 59.0 ft.lbs) @ 3750 RPM
Power64.1 HP (46.8 kW) @ 7400 RPM
Engine typeTwin, four-stroke
Capacity:900.0 ccm (54.92 cubic inches)

Brakes, suspension, Frame and wheels

WheelsWire spoked. Steel rims.
Rear brakesSingle disc. ABS. Nissin 2-piston floating caliper.
Diameter310 mm (12.2 inches)
Front brakesSingle disc. ABS. Brembo 2-piston floating caliper.
Rear tire150/70-R17
Front tire100/90-18
Rear wheel travel120 mm (4.7 inches)
Rear SuspensionTwin RSU’s, with pre-load adjustment
Front wheel travel120 mm (4.7 inches)
Front Suspension41mm cartridge forks
Trail104 mm (4.1 inches)
Rake (fork angle)25.5°
Frame typeTubular steel twin cradle. Twin-sided, tubular steel swing arm.

Physical measures and capacities

Oil capacity4.50 litres (4.76 US quarts)
Fuel capacity14.50 litres (3.83 US gallons)
Wheelbase1450 mm (57.1 inches)
Overall width715 mm (28.1 inches)
Overall length2230 mm (87.8 inches)
Overall height1100 mm (43.3 inches)
Seat height790 mm (31.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc228.2 kg (503.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty24 months unlimited milage
InstrumentsTwin dial analogue speedometer and tachometer with LCD multi-functional displays
StarterElectric
Color optionsJet black, Carnival Red/Fusion White, Fusion White/Lucern Blue

Performance Profile & Rider Fit

Best For

Track25%
City72%
Cornering65%
Daily Riding75%
Touring55%
Passenger55%

Rider Profile

Best ForWell suited to newer and returning riders thanks to its approachable parallel-twin character and predictable, classic-styled handling.
PurposeBuilt primarily as a classic-styled roadster for relaxed commuting, weekend rides, and casual cruising rather than outright performance.
Rider FitA moderate, upright seating position and manageable width and height make it accessible to riders of average and smaller stature.
CharacterOffers a timeless, retro British roadster feel with smooth, torquey power delivery and easygoing, confidence-inspiring manners.
Not Ideal ForNot the right choice for riders seeking aggressive sportbike speed, track-day performance, or serious off-road capability.

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

Rider Fit Visualizer

2021 Triumph Bonneville T100 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 2021 Triumph Bonneville T100, 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

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MotorcycleDB Review

The 2021 Triumph Bonneville T100 is a stunning motorcycle that offers a perfect blend of classic design and modern performance. Its iconic look harkens back to the golden age of motorcycling, with its timeless lines and vintage-inspired details. The T100 is powered by a smooth and responsive 900cc parallel-twin engine, delivering strong and reliable performance on the road. With its comfortable riding position and agile handling, this bike is perfect for both city commuting and long weekend rides. In addition to its beautiful aesthetics, the 2021 Triumph Bonneville T100 is also packed with advanced technology features. It comes equipped with ride-by-wire throttle for precise control, as well as ABS braking for added safety on the road. The T100 also offers a range of accessories to customize the bike to your personal style. Whether you're a seasoned rider or a novice looking for a classic ride, the Triumph Bonneville T100 is a motorcycle that delivers on both style and performance.
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