Triumph Bonneville 400 Teased Ahead of October 6 Debut

Ahead of a scheduled unveiling on October 6, Triumph has published a preview showing four new motorcycles, with the most awaited being the Bonneville 400. This upcoming retro-styled machine has undergone public testing on multiple occasions recently and joins the manufacturer's existing '400' vehicle lineup.

Alongside the Bonneville 400, the other three upcoming products comprise a Street Triple alongside a pair of Tiger models. Test mule sightings indicate the Bonneville 400 stands out visually from Triumph's Bajaj-built 350cc family. In contrast to the Speed 400, Scrambler 400, Thruxton 400 and Tracker 400, it utilizes conventional gaitered telescopic front forks alongside dual rear shock absorbers instead of the upside-down fork and monoshock architecture utilized by those machines. Furthermore, the frame and swingarm look to be newly developed.

Styling-wise, it draws heavy inspiration from the bigger T100 and T120 through a teardrop-shaped fuel tank, curved mudguards, a straight bench saddle, a round headlight, and a peashooter exhaust silencer. For the Indian market, propulsion will come from a 349cc single-cylinder liquid-cooled motor, which is expected to feature a mellower tune akin to the Speed T4 outputting 29hp and 31Nm to match the relaxed demeanor of the Bonneville.

This motorcycle represents the initial offering within the Bajaj-Triumph portfolio to directly challenge the classic retro roadster category currently occupied by the updated Honda CB350 range as well as major competitors such as the Royal Enfield Classic 350 and Bullet 350.