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. |
IconicA future legend, an icon in the making. Crafted and perfected for a whole new generation of Triumph riders. |
STYLE AND DNAFrom 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 FINISHTrademark 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. |
NEW TRI-LINK SWINGARMA rare combination of lower weight and higher strength, the unique Tri-link swingarm offers durable all-road reliability with all the low-maintenance benefits of shaft drive. |
CHASSIS & SUSPENSIONThe 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 ERGONOMICSThe 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 TIRESLightweight, 10-spoke, 17-inch cast aluminum wheels contribute to the Speed 400’s agile handling and premium brand tires provide confidence in all conditions. |
BRAKESResponsive and confident braking performance comes courtesy of twin-piston radial calipers and floating disc, complete with braided brake lines and Bosch ABS. |
TECHNOLOGYThe Speed 400 is packed with modern rider-focused technology to enhance every ride, including switchable traction control, torque-assist clutch, Bosch ABS, LED lighting, and all-new dual format instruments. |
SECURITYThe Speed 400 is equipped with a steering lock and anti-theft immobilizer as standard. A unique security chip is integrated into the ignition key to ensure only the owner can start the engine. |
VALUEWith class-leading specification, quality, and performance with low running costs, a 10,000-mile service interval and a two-year unlimited mileage warranty — the Speed 400 offers incredible value. |
TR-SERIES ENGINEThe 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. |
Type | Liquid-cooled, 4 valve, DOHC, single-cylinder |
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Capacity | 398.15 cc |
Bore | 89.0 |
Stroke | 64.0 |
Compression | 12:1 |
Max Power EC | 39.5 HP (40PS) @ 8,000 RPM |
Max Torque EC | 27.7 ft lb @ 6,500 rpm |
System | Bosch electronic fuel injection with electronic throttle control |
Exhaust | Stainless twin-skin header system with stainless steel silencer |
Final Drive | X-ring chain |
Clutch | Wet, multi-plate, slip |
Gearbox | 6 speed |
Frame | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe |
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Swingarm | Twin-sided, cast aluminum alloy |
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 |
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 |
Front Brakes | 300mm fixed disc, four-piston radial caliper, ABS |
Rear Brakes | 230mm fixed disc, floating caliper, ABS |
Instrument Display and Functions | Analogue speedometer with integrated multi-function LCD screen |
Width Handlebars | 31.30 in (795 mm) |
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Height Without Mirror | 42.68 (1084mm) |
Seat Height | 31.10 in (790 mm) |
Wheelbase | 54.21 in (1377 mm) |
Rake | 24.6 º |
Trail | 4.02 in (102 mm) |
Tank Capacity | 3.43 US gal (13 litres) |
Wet Weight | 375 lb (170kg) |