Triumph Unveils 4 New 2027 Bikes Led by Bonneville 400 | Carside
Triumph Unveils 4 New 2027 Motorcycles Globally: Bonneville 400 Retro Roadster Takes Center Stage
Triumph Motorcycles has officially pulled the wraps off four brand-new and updated 2027 motorcycles in a landmark global broadcast. The headline attraction is the eagerly anticipated Triumph Bonneville 400 retro roadster, flanked by next-generation mechanical updates to the Speed 400, Tiger 900, and Tiger 1200 adventure tourers.
Timeless British Heritage & Authentic Peashooter Exhaust
The Bonneville 400 encapsulates the legendary 1959 Bonneville silhouette in an accessible middleweight package:
- Authentic Teardrop Fuel Tank: Hand-painted tank with retro chrome Triumph badging and tactile rubber knee pads.
- Traditional Chrome Peashooter Silencer: Swept twin-skin chrome exhaust header that flows into a classic peashooter end-can with a deep, bass-heavy exhaust thump.
- Wire-Spoke Wheels: High-tensile wire-spoked rims shod in retro-tread tubeless radial tires that deliver vintage styling with modern puncture resilience.
- Upright Ergonomics: Wide bench seat with ribbed stitching and upright polished handlebars for relaxed daily commuting and Sunday morning boulevard cruising.
Retuned 398cc TR-Series Engine & Low-End Torque
At the mechanical core of the Bonneville 400 sits a specialized calibration of Triumph’s liquid-cooled single:
- Torque-Optimized Camshafts: Revised valve timing focuses output lower in the rev range, producing 36 PS at 7,500 rpm and 38.5 Nm of torque at just 5,500 rpm.
- Smooth 6-Speed Transmission: Paired with a torque-assist slipper clutch for effortless lever action in stop-and-go urban gridlock.
- Ride-by-Wire Precision: Switchable Bosch traction control and dual-channel ABS calibrated for gentle, progressive intervention on cobblestones and wet tarmac.
Comprehensive Technical Specifications
| Specification | Bonneville 400 | Speed 400 | Royal Enfield Classic 350 |
|---|---|---|---|
| Engine Type | 398.15cc Liquid-Cooled Single | 398.15cc Liquid-Cooled Single | 349cc Air-Oil Cooled Single |
| Power Output | 36 PS @ 7,500 rpm | 40 PS @ 8,000 rpm | 20.2 PS @ 6,100 rpm |
| Peak Torque | 38.5 Nm @ 5,500 rpm | 37.5 Nm @ 6,500 rpm | 27 Nm @ 4,000 rpm |
| Transmission | 6-Speed with Assist Clutch | 6-Speed with Assist Clutch | 5-Speed Manual |
| Front Suspension | 41 mm Telescopic Fork with Gaiters | 43 mm USD Inverted Forks | 41 mm Telescopic Fork |
| Wheels | 18-inch Front / 17-inch Rear Spoke | 17-inch Front / Rear Alloys | 19-inch Front / 18-inch Rear |
| Kerb Weight | 179 kg | 176 kg | 195 kg |
Carside Verdict
The Triumph Bonneville 400 strikes an ideal equilibrium between genuine 1960s British aesthetic charm and thoroughly modern liquid-cooled 400cc performance. By offering wire wheels, classic peashooter pipes, and punchy torque under 180 kg, it provides a compelling alternative to traditional retro thumper cruisers.
Frequently Asked Questions
What motorcycles did Triumph reveal today?
Triumph unveiled four models: the all-new Bonneville 400 retro roadster, the updated Speed 400, and revised versions of the Tiger 900 and Tiger 1200.
How does the Bonneville 400 differ from the Speed 400?
The Bonneville 400 features wire-spoke wheels, a classic peashooter exhaust, traditional front fork gaiters, an 18-inch front wheel, a flat ribbed bench seat, and engine tuning that delivers peak torque earlier in the rev band.
What is the power and torque of the Bonneville 400?
The 398cc TR-series engine produces 36 PS at 7,500 rpm and 38.5 Nm of torque at 5,500 rpm.
When will the Bonneville 400 arrive in dealerships?
Customer deliveries and showroom arrivals will begin in November 2026 across global markets.
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