Naked Motorcycles

2018Triumph Speed Triple S

45 fields on record

The 2018 Triumph Speed Triple S is a middleweight naked sport bike designed for riders seeking sharp handling and aggressive styling without excessive complexity. Known for its responsive performance, switchable traction control, and comprehensive LCD instrumentation, it excels as a responsive daily rider and weekend canyon carver. Its compact 192kg chassis and nimble wheelbase deliver confidence-inspiring agility for both street riding and spirited road work.

Capacity: 1050.0 ccm
Engine: In-line three-cylinder, four-stroke
Gearbox: 6-speed
Dry weight: 192.0 kg
Seat height: 825 mm
Power: 148.0 HP (108.0 kW) @ 10500 RPM

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What’s new for the 2018 Triumph Speed Triple S

vs the 2017

Spec	2017	2018
Power	140.0 HP (102.2 kW) @ 9500 RPM	148.0 HP (108.0 kW) @ 10500 RPM
Torque	112.0 Nm (11.4 kgf-m or 82.6 ft.lbs) @ 7850 RPM	116.6 Nm (11.9 kgf-m or 86.0 ft.lbs) @ 7150 RPM
Fuel capacity	17.50 litres (4.62 US gallons)	15.50 litres (4.09 US gallons)
Rear brakes	Single disc. Nissin single 2-piston sliding caliper. Switchable ABS.	Single disc. Single 2-piston sliding caliper. Switchable ABS.

Other years 2016 2017 2018 2019 2020

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering92%

City riding70%

Daily riding65%

Touring45%

Two-up40%

Track75%

Best for: Built for aggressive backroad and canyon carving with occasional sport-focused street riding.
Built for: A fierce, characterful three-cylinder streetfighter that rewards confident throttle control with thrilling acceleration and precise cornering.
Not ideal for: Not ideal for new riders, long-distance touring comfort seekers, or anyone wanting off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 825mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2018 Triumph Speed Triple S, with a relaxed knee angle of around 125 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 821-900 mm — Long Legs →

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Range and running costs

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Units

Currency

Fuel per litre

Riding a year

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine

Capacity: 1050.0 ccm
Power: 148.0 HP (108.0 kW) @ 10500 RPM
CO2 Emissions: 121 CO2 g/km
Torque: 116.6 Nm (11.9 kgf-m) @ 7150 RPM
Engine type: In-line three-cylinder, four-stroke
Fuel consumption: 5.20 litres/100 km (19.2 km/l)
Power/weight ratio: 0.7708 HP/kg (dry)
Bore x stroke: 79.0 x 71.4 mm
Compression: 12.3:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Digital-inductive type via engine management system
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, multi-plate slip assist cltuch

Dimensions & weight

Wheelbase: 1445 mm
Overall length: 2086 mm
Overall width: 728 mm
Overall height: 1070 mm
Seat height: 825 mm
Dry weight: 192.0 kg
Wet weight: 214.0 kg
Fuel capacity: 15.50 litres
Oil capacity: 3.80 litres

Chassis & suspension

Frame: Aluminum beam twin-spar. Single-sided, aluminum alloy with eccentric chain adjuster swing arm.
Front suspension: Showa 43mm upside down forks with dual rate springs and adjustable preload. rebound and compression damping.
Rear suspension: Showa Monoshock with adjustable preload and rebound and compression damping.
Front wheel travel: 120 mm
Rear wheel travel: 130 mm
Rake (fork angle): 22.9°
Trail: 91 mm

Brakes & wheels

Front brakes: Double disc. Brembo 4-piston 4-pad radial calipers. Switchable ABS.
Front brakes diameter: 320 mm
Rear brakes: Single disc. Single 2-piston sliding caliper. Switchable ABS.
Rear brakes diameter: 255 mm
ABS: Yes
Front tyre: 120/70-ZR17
Rear tyre: 190/55-ZR17

Other

Color options: Jet Black, Crystal White
Warranty: 24
Comments: Switchable traction control.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2016	2017	2018	2019	2020
Capacity	1050 cc	1050 cc	1050 cc	1050 cc	1050 cc
Dry weight	192 kg	192 kg	192 kg	192 kg	192 kg
Seat height	825 mm	825 mm	825 mm	825 mm	825 mm
Fuel capacity	17.5 L	17.5 L	15.5 L	15.5 L	15.5 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

5.0

★★★★★

Rider rating

MotorcycleDB

The 2018 Triumph Speed Triple S is a powerful and stylish motorcycle that is sure to turn heads on the road. With a 1050cc engine delivering 148 horsepower, this bike offers a thrilling ride that will satisfy even the most experienced riders. Its aggressive looks and sporty handling make it a standout choice for anyone looking for a high-performance bike.

The Speed Triple S features a sleek, minimalist design with high-quality components that ensure a smooth and responsive ride. Its advanced technology, including ride-by-wire throttle and switchable traction control, provides precise control and enhanced safety. Whether you're navigating tight city streets or tearing up the open road, the 2018 Triumph Speed Triple S delivers an exhilarating and enjoyable riding experience.

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