Current Triumph Modern-Classics Speed 400

2025 Triumph Speed 400 Phantom Black/Storm Grey

2025 Triumph Speed 400 Phantom Black/Storm Grey

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Exterior Colors:

  • Year 2025
  • Make Triumph
  • Model Speed 400
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Product Details Specifications Photos
2025 Triumph Speed 400 Phantom Black/Storm Grey

2025 Triumph Speed 400 Phantom Black/Storm Grey

  • Year 2025
  • Manufacturer Triumph
  • Model Name Speed 400
  • Trim Name Phantom Black/Storm Grey
  • Generic Type (Primary) Standard
  • Engine Type 4 valve, DOHC, single-cylinder
  • Cooling System Liquid-cooled
  • Displacement 398.15 cc
  • Bore 89.0 mm
  • Stroke 64.0 mm
  • Compression Ratio 12:1
  • Engine Power 39.5 HP (40PS) @ 8,000 RPM
  • Engine Torque, Maximum 27.7 ft lb @ 6,500 rpm
  • Fuel System Bosch electronic fuel injection with electronic throttle control
  • Fuel Economy: Combined City/Hwy 55.4 mpg (5.2 L / 100km)

2025 Triumph Speed 400 Phantom Black / Storm Grey

The Speed 400 brings Triumph’s unmistakable stripped back custom style, agile handling, responsive performance, and category-defining build quality to a new class of rider.

Features may include:

  • STYLE AND DNA

From the classic engine profile and sculpted fuel tank to the premium paint finish, the Speed 400’s stripped back modern custom style and timeless silhouette is unmistakably Triumph.

  • PREMIUM FINISH

Trademark black powder-coated engine casings, tough gold anodized forks, high-quality paint, and exquisite detailing ensure the finish on the Speed 400 is premium throughout.

  • TR-SERIES ENGINE

The all-new TR-Series engine combines the latest technology with modern classic aesthetics to deliver class-beating performance, Triumph’s signature characterful and rewarding feel, and an unmistakable exhaust note.

  • CHASSIS & SUSPENSION

The all-new dedicated frame and high-quality suspension deliver neutral, confidence-inspiring handling, and the perfect riding position for a fun and engaging ride for new and experienced riders alike.

  • RIDER ERGONOMICS

The Speed 400 is a great fit for riders of all sizes. Thanks to its lean standover, the engaging and natural riding position blends comfort with assured, feet-down maneuvering.

  • WHEELS AND TIRES

Lightweight, 10-spoke, 17-inch cast aluminum wheels contribute to the Speed 400’s agile handling and premium brand tires provide confidence in all conditions.

  • BRAKES

Responsive and confident braking performance comes courtesy of twin-piston radial calipers and floating disc, complete with braided brake lines and Bosch ABS.

Engine

Engine Type 4 valve, DOHC, single-cylinder
Cooling System Liquid-cooled
Displacement 398.15 cc
Bore 89.0 mm
Stroke 64.0 mm
Compression Ratio 12:1
Engine Power 39.5 HP (40PS) @ 8,000 RPM
Engine Torque, Maximum 27.7 ft lb @ 6,500 rpm
Fuel System Bosch electronic fuel injection with electronic throttle control
Fuel Economy: Combined City/Hwy 55.4 mpg (5.2 L / 100km)

Drivetrain

Final Drive X-ring chain
Clutch Wet, multi-plate, slip
Gearbox 6 speed

Chassis

Frame Type Hybrid spine/perimeter, tubular steel, bolt-on rear subframe
Exhaust Stainless twin-skin header system with stainless steel silencer
Swingarm Twin-sided, cast aluminum alloy

Suspension

Front Suspension 43mm upside down Big Piston forks. 140mm wheel travel
Rear Suspension Gas monoshock RSU with external reservoir and pre-load adjustment. 130mm wheel travel

Brakes

Front braking system 300mm flixed disc, four-piston radial caliper, ABS
Rear braking system 230mm fixed disc, floating caliper, ABS

Wheels & Tires

Front Wheel Cast aluminum alloy 10 spoke, 17 x 3 in
Rear Wheel Cast aluminum alloy 10 spoke, 17 x 4 in
Front Tire 110/70 R17
Rear Tire 150/60 R17

Dimensions

Width 32.05 in (814 mm)
Seat Height 31.10 in (790 mm)
Wheelbase 54.21 in (1377 mm)
Rake/trail 24.6 º/4.02 in (102 mm)

Capacities

Fuel Capacity 3.43 US gal (13 litres)

Weights

Weight Wet: 375 lb (170kg)

Features

Instrumentation Analogue speedometer with integrated multi-function LCD screen
Features Service Interval: 10,000 miles (16,000km)/12 months (whichever comes first)

Product Photography