Classic style, modern performance. The proven single cylinder TR series engine's clean design is a focal point of the bike's silhouette that delivers the beautiful good looks and effortless Bonneville character and performance. The classic engine profile of the 350cc TR Series Engine has the clean and uncluttered profile that's instantly recognisable as a Triumph Modern Classic with machined cooling fins and large finned header roses complete the classic Bonneville look.

A complete range of accessories are available to enhance the style, practicality, and usability of your Bonneville T4. From low seats and comfort seats to protection bars and classic panniers, the range of accessories allows you to tailor your T4 into the perfect Bonneville.

Authentic style and unmistakable character. The TR Series engine delivers clear firing pulses and a distinctive exhaust note through the peashooter silencer, adding depth and emotion to every ride.

ABS and Traction Control ensures confidence across varied conditions. Full LED lighting, including signature Daytime Running Light, a headlight that switches on automatically in low light, self-cancelling indicators and Emergency deceleration warning enhances the everyday riding experience.

The Bonneville T4’s approachable form makes the iconic Bonneville name available to more riders. From its low 790mm seat height (770mm with accessory low seat) and lightweight chassis to lean-sensitive rider aids, the Bonneville T4 inspires confidence so the journey always feels as enjoyable as the destination.