What category is the 2009 Triumph Thunderbird?

General information
Category	Classic
Model	Triumph Thunderbird
Year	2009
Engine and Transmission Specifications
Transmission type,final drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Fuel control	DOHC
Fuel system	Carburettor
Bore x stroke	76.0 x 65.0 mm (3.0 x 2.6 inches)
Compression	10.0:1
Torque	70.00 Nm (7.1 kgf-m or 51.6 ft.lbs) @ 4000
Power	70.00
Engine type	In-line three, four-stroke
Capacity:	885.00 ccm (54.00 cubic inches)
Brakes, suspension, Frame and wheels
Rear brakes diameter	285 mm (11.2 inches)
Rear brakes	Single disc
Front brakes diameter	320 mm (12.6 inches)
Front brakes	Single disc
Rear tyre dimensions	150/80-R 16
Front tyre dimensions	110/80-R 18

Physical measures and capacities
Fuel capacity	15.00 litres (3.96 gallons)
Wheelbase	1,580 mm (62.2 inches)
Overall width	810 mm (31.9 inches)
Overall length	2,280 mm (89.8 inches)
Overall height	1,190 mm (46.9 inches)
Seat height	776 mm (30.6 inches) If adjustable, lowest setting.
Power/weight ratio	0.3182 HP/kg
Dry weight	220.0 kg (485.0 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

85 hp

Peak Power

4.8s

0-60 mph

Best For

Track10%

City45%

Cornering35%

Daily Riding65%

Touring75%

Passenger70%

Rider Profile

Best For	Suitable for riders with at least some experience handling a heavy, torque-heavy cruiser, though the low seat height and manageable power delivery make it approachable for confident newer riders too.
Purpose	Built for relaxed, torque-driven cruising and long highway stints rather than outright speed or cornering agility.
Rider Fit	The low 700mm seat height helps shorter riders plant their feet, but the 308kg dry weight demands good low-speed balance and strength when maneuvering or parking.
Character	A big, laid-back British cruiser with strong low-end torque, a deep exhaust note, and a commanding, classic custom presence.
Not Ideal For	Not a good fit for riders wanting sharp handling, off-road capability, or high-speed sport performance.

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

Rider Fit Visualizer

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Inseam (optional)

Units

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Feet:

At 776mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2009 Triumph Thunderbird, 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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