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- Oct 6, 2026
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Spotted testing in India once again
Design appears unchanged from the previous test mule
Expected to launch by September 2026
Triumph's upcoming Bonneville 350 has been spotted testing on Indian roads yet again. The latest test mule looks nearly identical to the one seen earlier, suggesting the motorcycle's design has been finalised and the brand is now carrying out the final rounds of testing ahead of its expected September 2026 launch.
The Bonneville 350 closely follows the design of its larger siblings rather than the Speed 400 or Scrambler 400 X. It features a teardrop-shaped fuel tank with an offset filler cap, a round LED headlight, circular indicators, a single-piece seat, wire-spoke wheels and twin peashooter-style exhausts, giving it a proper old-school roadster look.

The motorcycle continues with a telescopic fork with gaiters and twin rear shock absorbers. The spoke wheels are expected to use tube-type tyres, staying true to its retro roots.
The instrument console is still not visible on the test bike, but it is expected to feature a TFT display that could differ from the unit offered on Triumph's current 350cc motorcycles.
Power is likely to come from the same 350cc single-cylinder engine that does duty on the Triumph Speed T4, although its state of tune could be revised to better suit the Bonneville's relaxed character.

The repeated test sightings with almost no visible changes indicate that the Triumph bike is in the final stages of development. Expected to be priced at around Rs 1.85 lakh (ex-showroom), the Bonneville 350 will take on the Royal Enfield Classic 350, Bullet 350, Honda CB350 and Jawa 350 with its authentic Bonneville styling and premium appeal.
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