New Triumph Bonneville T40 and T40 Black

Triumph Introduces the New Bonneville T40 and T40 Black

POSTED: 06/10/2026

2027 Triumph Bonneville T40 in Aegean Blue and Fusion White

Introducing the New Triumph Bonneville T40 and T40 Black

The Bonneville name just got a lot more accessible. Triumph has unveiled two new 400cc classics - the Bonneville T40 and T40 Black - built to bring the full Bonneville experience to A2 riders and anyone who wants real character in a lighter, more approachable package.

Arriving at Blade Triumph from Spring 2027, these bikes carry every visual cue that defines a Bonneville - teardrop tank, peashooter silencer, spoked wheels, hand-painted coach lining - alongside a comprehensive modern electronics package that puts them firmly in the present.

View Bonneville T40 View Bonneville T40 Black

The Bonneville Legacy, Opened Up

Triumph didn't set out to make a smaller Bonneville. According to Steve Sargent, Triumph's Chief Product Officer, the goal from the start was to create a motorcycle with genuine Bonneville style and a genuine Bonneville ownership experience - not simply to shrink an existing model down to 400cc. That distinction matters, and it shows in the result.

The foundation is Triumph's proven TR Series platform - the same 400cc single-cylinder architecture that underpins the Speed 400, Scrambler 400 X, and Tracker 400. That platform has now sold more than 60,000 units across more than 50 countries, which tells you something about how well the core engineering works. For the T40, Triumph's team developed a revised cylinder head and a dedicated Bonneville engine tune: lower idle speed, a more relaxed power delivery, and a distinctive exhaust note through the peashooter silencer that suits the character of the bike.

The result sits precisely where it should in the modern classic category - light enough to be genuinely approachable, with the quality of finish and breadth of specification to satisfy experienced riders looking for something more considered than the usual 400cc options. Both models are A2 licence compliant as standard, with no restriction and no modification required.

2027 Triumph Bonneville T40 side profile

Who It's For

The T40 is a natural choice for A2 riders who want a proper motorcycle - not a starter bike - as their first machine. It's also well-suited to returning riders who want something lighter and simpler than a larger twin, and to experienced motorcyclists who appreciate the Bonneville's proportion and character for weekend riding.

At 191 kg ready to ride and 790 mm seat height (or 770 mm with the optional accessory low seat), it's manageable without feeling small. The centre stand is fitted as standard, which is a detail that matters once you use it.

Two Takes on the Same DNA

The T40 and T40 Black share an engine, chassis, and full electronics specification. Everything that separates them is in the finish - and it's a meaningful difference.

2027 Triumph Bonneville T40 Black in Matt Phantom Black

The T40 Black

For riders who want the Bonneville character without the chrome and the two-tone colour work, the T40 Black takes things somewhere darker. Gloss-black aluminium rims with bright steel spokes provide a sharp contrast, powder-coated engine casings keep the lower half of the bike consistent, and the header pipe and peashooter silencer are both fully blacked out.

Available in Matt Pewter Grey or Matt Phantom Black, the T40 Black has a more understated, purposeful presence - the kind of bike that doesn't announce itself loudly but rewards a second look. It's the same authentic Bonneville underneath; the difference is purely in what you choose to show.

View Bonneville T40 Black
2027 Triumph Bonneville T40 black showing hand-painted detail

The T40: Colour and Craftsmanship

The standard T40 is available in three two-tone colour combinations - Aegean Blue/Fusion White, Meriden Blue/Tangerine Orange, and New England White/Jet Black - all featuring hand-painted coach lining on the tank. Chrome mirrors, a chrome grab hoop, brushed aluminium heel guards, and brushed steel exhaust pipes complete a finish that's genuinely hand-detailed in a way that's become unusual at this price point.

The Triumph name appears on the handlebar clamp, front mudguard, engine covers, and lighting - not as badges applied as an afterthought, but as part of the considered design language throughout. The 18-inch front and 17-inch rear spoked wheels use aluminium rims with steel spokes, and the round LED headlight carries Triumph's daytime running light signature.

View Bonneville T40

Classic Style, Current Technology

Modern classic styling and serious modern safety technology are not in conflict on the T40. Triumph has built a comprehensive electronics package into both variants without letting it intrude on the character of the riding experience.

4-Inch Circular TFT Display

The instrument cluster is a 4-inch full-colour TFT in a circular format that deliberately echoes a traditional clock dial. Switch it to Heritage Mode and the display presents as a single analogue-style speedo - clean, uncluttered, entirely in keeping with the rest of the motorcycle. Modern screen themes are also available for those who prefer a more contemporary layout. Five customisable widgets are accessible via the backlit left-hand switch cube, keeping frequently used information close to hand without requiring you to navigate through menus.

Smartphone Connectivity and Navigation

Bluetooth connectivity is built in as standard, linking the T40 to the Triumph Navigation App for turn-by-turn navigation, GPX route import and export, and route sharing. Music and call control operate through the handlebar switchgear, and a USB-C charging socket underneath the instruments keeps your device ready on longer days out. Self-cancelling indicators are also fitted, removing one of the smaller but genuinely useful quality-of-life improvements that often gets overlooked on smaller machines.

Five Riding Modes

Three preset modes - Road, Rain, and Eco - are joined by two fully customisable settings that let you dial in your own preference for throttle response and intervention sensitivity. Modes are switched by pressing the throttle against its stop with the engine running, which keeps mode changes quick without requiring additional switchgear. Each mode adjusts throttle response mapping, traction control sensitivity, and ABS intervention threshold independently.

Lean-Sensitive Safety Systems

Optimised Cornering ABS and Optimised Cornering Traction Control are both lean-angle sensitive - the system reads the bike's lean angle and adjusts intervention thresholds accordingly, so braking and throttle management feel natural through bends rather than abrupt. Cruise control is standard, and an Emergency Deceleration Warning flashes the rear light rapidly under hard braking to alert following traffic. Together, these systems provide a safety net that works with the riding experience rather than against it.

Engine and Specification

The T40's 400cc liquid-cooled single-cylinder engine is a new iteration of Triumph's TR Series unit, developed specifically for the Bonneville application. The cylinder head has been revised and the fuelling retuned for a lower idle speed and a more relaxed, linear power delivery than the Speed 400 - this is not a bike chasing peak outputs. It's tuned for the kind of smooth, flowing riding that suits a Sunday morning in the Cotswolds or an afternoon run through the Welsh Borders: pull up through the rev range without working the gearbox constantly, and the T40 rewards you for it. The distinctive exhaust note from the peashooter silencer is part of the package.

Engine

  • Engine: 400cc liquid-cooled single-cylinder
  • Peak power: 32 PS at 7,000 rpm
  • Peak torque: 36 Nm at 5,000 rpm
  • A2 licence compliant: Yes, as standard - no restriction required
  • Exhaust: Peashooter silencer - brushed steel (T40) / blacked-out (T40 Black)
  • Service interval: 10,000 miles (16,000 km)

Chassis and Dimensions

  • Front suspension: Conventional telescopic forks
  • Rear suspension: Twin shock absorbers
  • Front wheel: 18-inch spoked - aluminium rim, steel spokes
  • Rear wheel: 17-inch spoked - aluminium rim, steel spokes
  • Brakes: Twin-piston front caliper, braided lines, Cornering ABS standard
  • Seat height: 790 mm standard / 770 mm with optional accessory low seat
  • Ready-to-ride weight: 191 kg
  • Centre stand: Fitted as standard

Available Colours

Bonneville T40 - all with hand-painted coach lining

Triumph Bonneville T40 in Aegean Blue and Fusion White

Aegean Blue / Fusion White

Triumph Bonneville T40 in Meriden Blue and Tangerine Orange

Meriden Blue / Tangerine Orange

Triumph Bonneville T40 in New England White and Jet Black

New England White / Jet Black

Bonneville T40 Black - gloss-black aluminium rims, powder-coated casings, blacked-out exhaust

Triumph Bonneville T40 Black in Matt Phantom Black

Matt Phantom Black

Triumph Bonneville T40 Black in Matt Pewter Grey

Matt Pewter Grey

Genuine Triumph accessories available at launch include low and comfort seats (black or brown) and classic panniers. Contact Blade Triumph for full accessories information.

Frequently Asked Questions

Is the Triumph Bonneville T40 A2 licence compliant?

Yes. Both the T40 and T40 Black are A2 licence compliant as standard, producing 32 PS (approximately 31.5 bhp) from the 400cc single-cylinder engine. No power restriction or modification is required - the bikes leave the factory in A2-ready specification.

When is the Triumph Bonneville T40 available in the UK?

The first T40 and T40 Black motorcycles are expected to arrive at UK dealerships from Spring 2027. You can register your interest now with the Blade Triumph team - contact details are at the bottom of this page. 

What is the UK price of the Triumph Bonneville T40?

UK pricing has not yet been confirmed. Triumph has announced that prices will be revealed in early 2027, ahead of the Spring 2027 availability date. Speak to the Blade Triumph team to be among the first to hear when pricing is released.

What is the difference between the Triumph Bonneville T40 and T40 Black?

Both models share the same 400cc engine, chassis, seat height, weight, and full electronics specification - including the 4-inch TFT, five riding modes, cornering ABS and traction control, cruise control, and smartphone connectivity. The difference is entirely in finish. The T40 has brushed aluminium engine covers, chrome mirrors, a chrome grab hoop, brushed steel exhaust, and is available in three two-tone colour schemes. The T40 Black has gloss-black aluminium rims with bright steel spokes, powder-coated engine casings, and a fully blacked-out header and peashooter silencer - available in Matt Pewter Grey or Matt Phantom Black.

Can I reserve a Triumph Bonneville T40 at Blade Triumph?

Yes. Speak to the team at our Cheltenham dealership on 01242 235999 or our Stratford-upon-Avon dealership on 01789 205149 to register your interest ahead of the Spring 2027 launch.

Register Your Interest at Blade Triumph

The Triumph Bonneville T40 and T40 Black arrive at Blade Triumph from Spring 2027. Whether you're an A2 rider stepping into Bonneville ownership for the first time, or an experienced rider looking for a lighter, more considered machine - speak to our team about getting your name down ahead of launch.

View Bonneville T40 View Bonneville T40 Black
Blade X Triumph

Triumph Cheltenham

Find us:
301 Gloucester Rd, St Mark's, Cheltenham GL51 7AP
01242 235999

Triumph Stratford upon Avon

Find us:
Unit 9b Avenue Farm Industrial Estate, Birmingham Road, Stratford Upon Avon, CV37 0HR
01789 205149

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