Triumph Rocket III Roadster Specs

2010 • 1 variants

Triumph has built the Rocket III Roadster, a cruiser, across 1 variant since 2010. Under the tank sits a four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.. It makes 146 hp at peak. Torque tops out at 221 Nm.

About the Triumph Rocket III Roadster

The Triumph Rocket III Roadster is a Custom / cruiser motorcycle from Triumph, produced from 2010 to 2019. This page provides a comprehensive technical reference for the Triumph Rocket III Roadster, covering all available specification data including engine configuration, displacement, power output, dimensions, weight, and chassis details. Use the year selector above to find specifications for a specific model year. All data is sourced from manufacturer specifications and is intended as a technical reference for riders, mechanics, and enthusiasts.

Triumph Rocket III Roadster by Year

2010 Triumph Rocket III Roadster View specs →

Spec Evolution

How key specs changed across production years.

Specification	2010	2011	2012	2013	2014	2016	2019
Frame Type	Tubular steel, twin spine	Tubular steel, twin spine	Tubular steel, twin spine	Tubular steel, twin spine	Tubular steel, twin spine	Tubular steel, twin spine, swingarm twin-sided, steel	Tubular steel, twin spine, swingarm twin-sided, steel
Displacement	2294 cc / 140 cu in	2294 cc / 140 cu in	2294 cc / 140 cu in	2294 cc / 140 cu in	2294 cc / 140 cu in	2294 cc / 140 cub in	2294 cc / 140 cub in
Brakes - Front	2 x 320 mm Discs, 4 piston calipers	2 x 320 mm Discs, 4 piston calipers	2 x 320 mm Discs, 4 piston calipers	2 x 320 mm Discs, 4 piston calipers, Nissen, ABS	2 x 320 mm Discs, 4 piston calipers	2 x 320 mm Floating discs, Nissin 4-piston fixed caliper, ABS	2 x 320 mm Floating discs, Nissin 4-piston fixed caliper, ABS
Engine Detail	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.	Four stroke, 3-cylinder, DOHC ↓	Four stroke, 3-cylinder, DOHC
Brakes - Rear	Single 316 mm disc, 2 piston caliper	Single 316 mm disc, 2 piston caliper	Single 316 mm disc, 2 piston caliper	Single 316 mm disc, 2 piston caliper, Nissen, ABS	Single 316 mm disc, 2 piston caliper	Single 316 mm disc, Brembo 2 piston floating caliper, ABS	Single 316 mm disc, Brembo 2 piston floating caliper, ABS
Fuel Capacity	24 Litres / 6.3 US gal / 5.3 Imp gal	24 Litres / 6.3 US gal / 5.3 Imp gal	24 Litres / 6.3 US gal / 5.3 Imp gal	24 Litres / 6.3 US gal / 5.3 Imp gal	24 Litres / 6.3 US gal / 5.3 Imp gal	24 Litres / 6.3 US gal	24 Litres / 6.3 US gal
Suspension - Front	Kayaba 43 mm upside down forks	Kayaba 43 mm upside down forks	Kayaba 43 mm upside down forks	Kayaba 43 mm upside down forks	Kayaba 43 mm upside down forks	Kayaba 43mm upside down forks	Kayaba 43mm upside down forks
Clutch	Wet, multi-plate	Wet, multi-plate	Wet, multi-plate	Wet, multi-plate	Wet, multi-plate	Wet, multi plate	Wet, multi plate
Gear Ratios	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28:1	1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28:1
Wheels - Front	Alloy 5-spoke, 17 x 3.5in	Alloy 5-spoke, 17 x 3.5in	Alloy 5-spoke, 17 x 3.5in	Alloy 5-spoke, 17 x 3.5in	Alloy 5-spoke, 17 x 3.5in	Cast aluminium alloy, 5-spoke, 17 x 3.5 in	Cast aluminium alloy, 5-spoke, 17 x 3.5 in
Wheels - Rear	Alloy 5-spoke, 16 x 7.5in	Alloy 5-spoke, 16 x 7.5in	Alloy 5-spoke, 16 x 7.5in	Alloy 5-spoke, 16 x 7.5in	Alloy 5-spoke, 16 x 7.5in	Cast aluminium alloy, 5-spoke, 16 x 7.5 in	Cast aluminium alloy, 5-spoke, 16 x 7.5 in
Transmission / Drive	5 Speed, constant mesh	5 Speed, constant mesh	5 Speed, constant mesh	5 Speed, constant mesh	5 Speed, constant mesh	5 Speed	5 Speed
Fuel Induction	Multipoint sequential electronic fuel injection	Multipoint sequential electronic fuel injection	-	Multipoint sequential electronic fuel injection	-	Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies	Multipoint sequential electronic fuel injection with twin butterflies and progressive linkage on primary butterflies
Max Power	109 kW 146 hp @ 5750rpm	109 kW 146 hp @ 5750rpm	109 kW 146 hp @ 5750rpm	109 kW 146 hp @ 5750rpm	109 kW 146 hp @ 5750rpm	109 kW / 146 hp @ 5750 rpm	109 kW / 146 hp @ 5750 rpm
Ignition	Digital inductive type via electronic engine management	Digital inductive type via electronic engine management	Digital - inductive type,via electronic engine management	Digital - inductive type,via electronic engine management	Digital inductive type via electronic engine management	Digital inductive type via electronic engine management	Digital inductive type via electronic engine management
Max Torque	221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm	221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm	221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm	221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm	221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm	221 Nm / 22.5 kgf-m / 163 ft-lb @ 3300 rpm	221 Nm / 22.5 kgf-m / 163 ft-lb @ 3300 rpm