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2024 Triumph Rocket 3 GT Overview
For 2024, Triumph offers the Rocket 3 GT as a custom / cruiser motorcycle with 2458 cc on tap. The 2024 Triumph Rocket 3 GT is built around a Four stroke, inline 3-cylinder, DOHC engine, a compression ratio of 10.8:1. Out on the road, the Rocket 3 GT delivers 134 kW @ 7000 rpm of peak power and 225 Nm @ 4000 rpm of torque. In everyday use, the 2024 Rocket 3 GT tips the scales at 320kg, carries a 18-litre fuel tank, offers a seat height of 750 mm and spans a 1677 mm wheelbase. That's roughly 18.8 kg heavier than the average custom / cruiser motorcycle in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2024 Triumph Rocket 3 GT spec sheet below.
2024 Rocket 3 GT - Pros & Cons
Strengths
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⚡
Strong power output: Peak output on the Rocket 3 GT is 134 kW @ 7000 rpm and 225 Nm @ 4000 rpm of torque - strong numbers for what it is.
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Accessible seat height: At just 750 mm, flat-footing at a stop is easy for most riders - a genuine confidence builder for less experienced owners.
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Large fuel range: With a 18-litre tank, this isn't a bike you'll be stopping for fuel every hour - a real asset on longer trips.
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Low-maintenance final drive: Shaft, bevel box final drive is about as close to maintenance-free as motorcycle drivetrains get.
Considerations
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Age-related wear: No particular mechanical concern flags for the Rocket 3 GT - condition on any used example comes down to how well it's been looked after.
Wear Points & Servicing Notes
Cooling system servicing
With Liquid cooled, thermal management is largely automatic, but the coolant has a service life of its own - replace it on the manufacturer's interval to protect the water passages and thermostat.
Brake disc and pad wear
2x 320 mm discs with Brembo M4.30 Stylema 4-piston radial monobloc calipers up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.
Suspension condition on used examples
Suspension duties are handled by Showa 47mm upside-down 1+1 cartridge front forks, compression and rebound adjustement up front and Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjustement at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.
Final drive maintenance
Shaft final drive on the Rocket 3 GT removes chain and belt maintenance entirely - the trade-off is a little extra unsprung weight and periodic gear-oil changes.
Frame & chassis check
The Full aluminum frame chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.
Handling the weight at a standstill
The Rocket 3 GT's 320kg kerb weight is worth factoring into how you handle it at a standstill - parking-lot manoeuvres need a bit more deliberate technique than on a lighter machine.
Rocket 3 GT - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2024 Triumph Rocket 3 GT should cover the same ground every time: service history, chain and sprocket condition, and any oil seepage around the casings. Start it from cold if you can - a well-kept Rocket 3 GT settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for a Rocket 3 GT's engine - keep to the manufacturer's interval rather than stretching it. Use the viscosity grade the manual specifies, not whatever's on sale.
Fuel system care
Injector systems like the Rocket 3 GT's hold up well with basic care - decent fuel, an occasional cleaner additive, and draining old fuel before any layup longer than three months.
2024 Triumph Rocket 3 GT - Frequently Asked Questions
What engine does the 2024 Triumph Rocket 3 GT have?
The 2024 Triumph Rocket 3 GT uses a Four stroke, inline 3-cylinder, DOHC engine with 2458 cc of displacement. It is liquid cooled.
How much does the 2024 Triumph Rocket 3 GT weigh?
The 2024 Triumph Rocket 3 GT weighs 320kg. This is the manufacturer's wet figure.
How much power does the 2024 Triumph Rocket 3 GT make?
The 2024 Triumph Rocket 3 GT produces 134 kW @ 7000 rpm of power and 225 Nm @ 4000 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2024 Triumph Rocket 3 GT?
The 2024 Triumph Rocket 3 GT has a 18-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 300-360 km between stops.
Is the 2024 Triumph Rocket 3 GT suitable for shorter riders?
The 2024 Triumph Rocket 3 GT has a seat height of 750 mm. This is a comfortable, accessible height for most riders.
What brakes does the 2024 Triumph Rocket 3 GT have?
The 2024 Triumph Rocket 3 GT uses 2x 320 mm discs with Brembo M4.30 Stylema 4-piston radial monobloc calipers at the front and Single 300mm disc, Brembo M4.32 4-piston monobloc caliper at the rear.
What tyre sizes does the 2024 Triumph Rocket 3 GT use?
The 2024 Triumph Rocket 3 GT runs 150/80 R17 V front and 240/50 R16 V rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2024 Triumph Rocket 3 GT have?
The 2024 Triumph Rocket 3 GT is fitted with a 6 Speed transmission.
Triumph Rocket 3 GT Spec Evolution
The Triumph Rocket 3 GT was produced across 2 model years (2020-2024). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2020 |
2024 |
| Max Power |
123 kW / 167 PS / 165 hp @ 6000 rpm |
134 kW / 180 hp @ 7000 rpm |
| Seat Height |
750 mm / 29.7 in |
750 mm / 29.5 in |
| Fuel Capacity |
18 Litres / 4.7 US gal |
18 Litres / 4.76 US gal |
| Displacement |
2458 cc / 150 cub in |
2458 cc / 150 cu-in |
| Brakes - Front |
2x 320 mm discs w/ Brembo M4.30 Stylema 4-piston radial monobloc calipers, Cornering ABS |
2x 320 mm discs with Brembo M4.30 Stylema 4-piston radial monobloc calipers |
| Brakes - Rear |
Single 300mm disc, Brembo M4.32 4-piston monobloc caliper, Cornering ABS |
Single 300mm disc, Brembo M4.32 4-piston monobloc caliper |
| Suspension - Front |
Showa 47mm upside-down 1+1 cartridge front forks, compression and rebound adjuster. |
Showa 47mm upside-down 1+1 cartridge front forks, compression and rebound adjustement |
| Suspension - Rear |
Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjuster |
Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjustement |
Key Specifications
Engine
Four stroke, inline 3-cylinder, DOHC
Power
134 kW / 180 hp @ 7000 rpm
Torque
225 Nm / 166 ft-lb @ 4000 rpm
Top Speed
Not published by manufacturer
Fuel Capacity
18 Litres / 4.76 US gal
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Full 2024 Triumph Rocket 3 GT Specifications
Year
2024
Make Model
Triumph Rocket 3 GT
Seat Height
750 mm / 29.5 in
Wheelbase
1677 mm / 66 in
Height
1183 mm / 46.6 in (with mirrors
Length
2365 mm / 93.1 in
Width
920 mm / 36 in (with handlebars)
Fuel Capacity
18 Litres / 4.76 US gal
Wet Weight
320kg / 705 lbs
Displacement
2458 cc / 150 cu-in
Engine Detail
Four stroke, inline 3-cylinder, DOHC
Bore x Stroke
110.2 x 85.9 mm
Compression Ratio
10.8:1
Cooling System
Liquid cooled
Emissions
EURO 5+
Exhaust
Stainless 3-into-1 headers with 3 exit silencer / CAT box
Fuel Induction
Ride-by-Wire, fuel injected
Ignition
Digital inductive type via electronic engine management
Lubrication
Wet sump
Starter
Electric
Clutch
Wet, multi-plate hydraulically operated, torque assist
Final Drive
Shaft, bevel box
Transmission / Drive
6 Speed
Frame Type
Full aluminum frame
Suspension - Front
Showa 47mm upside-down 1+1 cartridge front forks, compression and rebound adjustement
Suspension - Rear
Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjustement
Rake
27.9°
Swingarm
Single-sided, cast aluminum
Trail
134.9 mm / 5.3 in
Wheel Travel - Front
120 mm / 4.7 in
Wheel Travel - Rear
107 mm / 4.2 in
Instrumentation
TFT multi-functional instrument pack with digital speedometer, trip computer, digital tachometer, gear position indicator, fuel gauge, service indicator, ambient temperature, clock and rider modes (Rain/Road/Sport/Rider-configurable) Triumph TFT Connectivity System can be added with accessory fitted Bluetooth module
Brakes - Front
2x 320 mm discs with Brembo M4.30 Stylema 4-piston radial monobloc calipers
Brakes - Rear
Single 300mm disc, Brembo M4.32 4-piston monobloc caliper
ABS
Cornering ABS
Tyres - Front
150/80 R17 V
Tyres - Rear
240/50 R16 V
Wheels - Front
17 x 3.5 in cast aluminium
Wheels - Rear
16 x 7.5 in cast aluminium
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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