The Triumph Rocket 3 R 221 is a custom/cruiser motorcycle that boasts a powerful 2458.0 ccm (149.99 cubic inches) engine with a counter rotating crankshaft. Its in-line three, four-stroke engine produces 165.0 HP (120.4 kW)) @ 6000 RPM and 221.0 Nm (22.5 kgf-m or 163.0 ft.lbs) @ 4000 RPM. The Rocket 3 R 221 has a 10.8:1 compression ratio and measures 110.2 x 85.9 mm (4.3 x 3.4 inches). It features injection ride-by-wire and double overhead cams/twin cam (DOHC). The motorcycle has a liquid cooling system and a 6-speed transmission with shaft drive (cardan) final drive. The Rocket 3 R 221 has a wet, multi-plate hydraulically operated, torque assist clutch and gets an average of 6.82 litres/100 km (14.7 km/l or 34.49 mpg) with CO2 emissions of 158.2 g/km. It meets Euro 5 standards and has stainless 3-into-1 headers with 3 exit silencer/CAT box. The motorcycle has an aluminium, single-sided, cast aluminium swing arm and a 27.9° rake angle with 135 mm (5.3 inches) of trail. The Rocket 3 R 221 has Showa 47mm upside-down 1 1 cartridge front forks with compression and rebound adjuster and 120 mm (4.7 inches) of travel. The fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjuster has 107 mm (4.2 inches) of travel. The motorcycle has 150/80-R17 front and 240/50-R16 rear tires and double disc Brembo M4.30 Stylema® 4-piston radial monobloc calipers with cornering ABS on the front and a single disc Brembo M4.32 4-piston monobloc caliper with cornering ABS on the rear. The Rocket 3 R 221 has a cast aluminum, 20 spoke wheel and weighs 291.0 kg (641.5 pounds) with a power-to-weight ratio of 0.5670 HP/kg. It has a seat height of 773 mm (30.4 inches) and a wheelbase of 2500 mm (98.4 inches). The motorcycle is 889 mm (35.0 inches) wide and 1677 mm (66.0 inches) long. It has an 18.00 litre (4.76 US gallons) fuel tank and comes in Red Hopper/Sapphire Black. The Rocket 3 R 221 has rider modes