🏁 Moto News🔖 Current Offers📍 Locate a Dealer
TeamMoto Logo
Speed 400 FEATURES SPECS GALLERY
Speed 400

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

MAKE AN ENQUIRY

Features

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 anodised 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 unmistakable exhaust note.
Chassis & Suspension The all-new roadster 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
Rider Ergonomics The Speed 400 is a great fit for riders of all sizes. Thanks to its slender waistline, the engaging and natural riding position blends comfort with assured, feet-down manoeuvring.
Wheels And Tyres
Wheels And Tyres Lightweight, 10-spoke, 17-inch cast aluminium wheels contribute to the Speed 400's agile handling and premium brand tyres provide confidence in all conditions.
Brakes
Brakes Responsive and confident braking performance comes courtesy of twin-piston radial caliper and floating disc, complete with braided brake lines and Bosch ABS.
Technology
Technology The 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.
Security
Security The Speed 400 is equipped with a steering lock and anti-theft immobiliser as standard. A unique security chip is integrated into the ignition key to ensure only the owner can start the engine.
Value
Value With 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 represents incredible value.

Technical Specifications

Type
Liquid-cooled, 4 valve, DOHC, single-cylinder
Capacity
398.15 cc
Bore
89.0 mm
Stroke
64.0 mm
Compression
12.0:1
Max Power EC
40 PS / 39.5 bhp (29.4 kW) @ 8,000 rpm
Max Torque EC
37.5 Nm @ 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
Swingarm
Twin-sided, cast aluminium alloy
Front Wheel
Cast aluminium alloy 10 spoke, 17 x 3 in
Rear Wheel
Cast aluminium alloy 10 spoke, 17 x 4 in
Front Tyre
110/70 R17
Rear Tyre
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
814 mm
Height Without Mirror
1084 mm
Seat Height
790 mm
Wheelbase
1377 mm
Rake
24.6 °
Trail
102 mm
Tank Capacity
13 L
Wet Weight
170 kg
showroom_folder				speed 400
showroom_brand				triumph
showroom_brand_wufoo		triumph
showroom_gallery_count		
showroom_technology_data	
showroom_engine_data		
showroom_chassis_data		
showroom_dimensions_data	

access_control				
content_ref					
content_description1		

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

content_description2

Engine & Transmission;Chassis;Dimensions & Weights#####Type|Liquid-cooled, 4 valve, DOHC, single-cylinder;Capacity|398.15 cc;Bore|89.0 mm;Stroke|64.0 mm;Compression|12.0:1;Max Power EC|40 PS / 39.5 bhp (29.4 kW) @ 8,000 rpm;Max Torque EC|37.5 Nm @ 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;Swingarm|Twin-sided, cast aluminium alloy;Front Wheel|Cast aluminium alloy 10 spoke, 17 x 3 in;Rear Wheel|Cast aluminium alloy 10 spoke, 17 x 4 in;Front Tyre|110/70 R17;Rear Tyre|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|814 mm;Height Without Mirror|1084 mm;Seat Height|790 mm;Wheelbase|1377 mm;Rake|24.6 °;Trail|102 mm;Tank Capacity|13 L;Wet Weight|170 kg

content_description3 content_allow_reviews n content_author content_external_ref1 content_external_ref2 content_external_ref3 showroom-Triumph-Speed-400 content_compatibility_code n content_external_src content_fullpath Triumph Speed 400 content_level 2 content_id 5072 content_module content_name Speed 400 content_short_description1 content_short_description2 content_short_description3 content_type_code showroom content_type_id 15 content_type_name Showroom date_posted 0000-00-00 00:00:00 date_updated 2026-03-24 16:04:42 page_editor page_header Speed 400 page_id 5072 page_index page_subheader parent_content_id 5066 parent_id 5066 rating 0 reviews 0 sortorder 0 subtitle templatebody showroom_model templatefoot templatehead templatesearch thumb_content_type_id 0 timestamp 2026-03-24 16:04:42