Triumph Rocket III Roadster - 2010 Specifications and Reviews

The 2010 Triumph Rocket III Roadster is a heavyweight naked bike built for riders seeking raw power and aggressive styling. Its massive 2294cc three-cylinder engine dominates with 221 Nm of torque, making it ideal for cruiser enthusiasts who want performance over comfort. Known for its unique triple-cylinder character and commanding presence, this shaft-drive machine delivers distinctive muscle in a modern roadster package.

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General information

CategoryNaked bike
Year2010
ModelTriumph Rocket III Roadster
 
 

Engine and Transmission Specifications

ClutchWet. multi-plate
Transmission type,final driveShaft drive (cardan)
Gearbox5-speed
Cooling systemLiquid
Fuel controlDOHC
Fuel systemInjection. Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies
Valves per cylinder4
Bore x stroke101.6 x 94.3 mm (4.0 x 3.7 inches)
Compression8.7:1
Torque221.00 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 2750
Engine typeIn-line three, four-stroke
Capacity:2294.00 ccm (139.98 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter316 mm (12.4 inches)
Rear brakesSingle disc. Brembo 2-piston floating caliper, Nissin ABS system
Front brakes diameter320 mm (12.6 inches)
Front brakesDouble disc. Nissin 4-piston fixed calipers, Nissin ABS system
Rear tyre dimensions240/50-R16
Front tyre dimensions150/80-R17
Rear suspension travel105 mm (4.1 inches)
Rear suspensionKayaba black spring twin shocks with 5 position adjustable preload
Front suspension travel120 mm (4.7 inches)
Front suspensionKayaba 43mm upside down forks.
Trail148 mm (5.8 inches)
Rake (fork angle)32.0°
Frame typeFrame Tubular steel, twin spine. Twin-sided, steel (houses drive shaft) swingarm.

Physical measures and capacities

Fuel capacity24.00 litres (6.34 gallons)
Wheelbase1,695 mm (66.7 inches)
Overall width970 mm (38.2 inches)
Overall length2,500 mm (98.4 inches)
Overall height1,165 mm (45.9 inches)
Seat height750 mm (29.5 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc357.0 kg (787.1 pounds)
Dry weight320.0 kg (705.5 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsPhantom Black, Matt Black
StarterElectric

Performance Profile & Rider Fit

148 hp
Peak Power
3.4s
0-60 mph

Best For

Track25%
City45%
Cornering45%
Daily Riding65%
Touring65%
Passenger70%

Rider Profile

Best ForThis is a machine best suited to experienced riders who are confident managing enormous low-end torque and substantial weight at low speeds.
PurposeBuilt as a muscular power-cruiser, it delivers brutal straight-line acceleration and effortless overtaking rather than nimble cornering ability.
Rider FitAt 334 kg dry with a low seat height, it is manageable once rolling but demands strength and confidence during slow maneuvers, parking, and U-turns.
CharacterThe Rocket III Roadster has a dominant, torque-drenched personality that rewards relaxed, throttle-driven riding over aggressive lean-angle attacks.
Not Ideal ForThis is not the right bike for new riders, tight urban commuting, or anyone seeking a light, flickable machine for twisty backroads.

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

Rider Fit Visualizer

2010 Triumph Rocket III Roadster Rider Ergonomics Assessment

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Feet:

At 750mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2010 Triumph Rocket III Roadster, with a relaxed knee angle of around 125 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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