Triumph Rocket 3 GT Triple Black - 2021 Specifications and Reviews
The 2021 Triumph Rocket 3 GT Triple Black is a cruiser engineered for riders seeking massive torque and presence rather than agility. Its 2458cc triple engine delivers commanding 221 Nm of torque, making it ideal for highway cruising and low-end grunt. Known for its distinctive character and imposing stance, this bike rewards straightforward riding over technical handling.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 1 vote to show the rating. |
| Category | Custom / cruiser |
| Year | 2021 |
| Model | Triumph Rocket 3 GT Triple Black |
Engine and Transmission Specifications | |
| Exhaust system | Stainless steel 3-into-1 headers with 3 exit silencer |
| Emission details | Euro 5 |
| Greenhouse gases | 158.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 6.82 litres/100 km (14.7 km/l or 34.49 mpg) |
| Clutch | Wet, multi-plate hydraulically operated, torque assist |
| Transmission type | Shaft drive (cardan) (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies |
| Bore x Stroke | 110.2 x 85.9 mm (4.3 x 3.4 inches) |
| Compression | 10.8:1 |
| Torque | 221.0 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 4000 RPM |
| Power | 165.0 HP (120.4 kW) @ 6000 RPM |
| Engine details | Counter rotating crankshaft |
| Engine type | In-line three, four-stroke |
| Capacity: | 2458.0 ccm (149.99 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Cast aluminum alloy 5 spoke |
| Rear brakes | Single disc. Brembo M4.32 4-piston monobloc caliper, Cornering ABS |
| Diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc. Brembo M4.30 Stylema® 4-piston radial monobloc calipers, Cornering ABS |
| Rear tire | 240/50-R16 |
| Front tire | 150/80-R17 |
| Rear wheel travel | 107 mm (4.2 inches) |
| Rear Suspension | Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjuster. |
| Front wheel travel | 120 mm (4.7 inches) |
| Front Suspension | Showa 47mm upside-down 1 1 cartridge front forks, compression and rebound adjuster. |
| Trail | 135 mm (5.3 inches) |
| Rake (fork angle) | 27.9° |
| Frame type | Aluminium |
Physical measures and capacities | |
| Fuel capacity | 18.00 litres (4.76 US gallons) |
| Wheelbase | 1677 mm (66.0 inches) |
| Overall width | 970 mm (38.2 inches) |
| Overall length | 2500 mm (98.4 inches) |
| Overall height | 1165 mm (45.9 inches) |
| Seat height | 750 mm (29.5 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.5612 HP/kg |
| Dry weight | 294.0 kg (648.2 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Limited edition |
| Factory warranty | 2 year unlimited mileage |
| Instruments | TFT multi-functional dashboard |
| Starter | Electric |
| Color options | Sapphire Black Silver Ice |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | This is a bike for experienced riders who can manage massive torque and nearly 300kg of mass at low speed. |
| Purpose | Built for effortless, brutal straight-line acceleration and long-haul cruising with a menacing power-cruiser presence. |
| Rider Fit | Riders benefit from good upper body strength and confidence handling a tall, very heavy machine at parking-lot speeds. |
| Character | For someone who wants the biggest engine in production motorcycling wrapped in a comfortable, muscular cruiser silhouette. |
| Not Ideal For | Not for beginners, off-road enthusiasts, or anyone prioritizing light, flickable handling in tight corners. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
⚠ Safety Recalls (2)
Triumph Motorcycles America, Ltd. (Triumph) is recalling certain 2020 Rocket 3 TFC, 2020-2024 Rocket 3 R, Rocket 3 GT, 2022 Rocket 3 GT Triple Black, and Rocket 3 R Black motorcycles. The rear brake master cylinder may fail to move fluid through the system properly, requiring an extended distance to stop.
Risk: Extended stopping distance increases the risk of a crash.
Remedy: Dealers will replace the rear brake master cylinder, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact Triumph's customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 611.
Triumph Motorcycles America, LTD (Triumph) is recalling certain 2020-2021 Rocket 3 GT, Rocket 3 R, and 2020 Rocket 3 TFC motorcycles. Air could have entered the antilock brake system (ABS) modulator while the rear brake system was filled during production.
Risk: Over time, the air in the ABS modulator can deteriorate rear braking efficiency, increasing the distance required to stop and the risk of a crash.
Remedy: Triumph will notify owners, and dealers will bleed the rear brake system, free of charge. The recall began December 18, 2020. Owners may contact Triumph customer service at 1-678-854-2010. Triumph's number for this recall is SRAN 587.
Source: NHTSA. View all Triumph recalls →
Rider Reviews
MotorcycleDB Review
The 2021 Triumph Rocket 3 GT Triple Black is an impressive motorcycle that combines power, style, and performance. With its massive 2,500cc engine, this bike delivers an exhilarating riding experience that is perfect for taking long trips or cruising around town. The sleek black design adds a touch of sophistication to the bike, while the comfortable seating and ergonomic controls make it easy to ride for extended periods of time. Whether you're a seasoned rider or a beginner, the Triumph Rocket 3 GT Triple Black is sure to impress with its smooth handling and impressive acceleration. The 2021 Triumph Rocket 3 GT Triple Black is a stunning motorcycle that offers an unbeatable combination of power, style, and performance. With its massive 2,500cc engine, this bike delivers an exhilarating riding experience that is perfect for long trips or casual rides. The sleek black design adds a touch of sophistication to the bike, while the comfortable seating and ergonomic controls make it easy to ride for extended periods. Whether you're a seasoned rider or a beginner, the Triumph Rocket 3 GT Triple Black is sure to impress with its smooth handling and impressive acceleration.Add a Comment
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