Triumph Motorcycles plans to reveal four new models on October 6, 2026, at 4:30 PM Indian Standard Time, with a classic roadster widely expected as the new Bonneville 400. The British brand shared a teaser image displaying four upcoming models, which appear to include the entry-level Bonneville alongside a new Street Triple and two Tiger adventure models. The new modern classic will serve as the most accessible entry point in the Bonneville heritage lineup, manufactured under the ongoing partnership between Triumph Motorcycles and Bajaj Auto.
Key Takeaways
- Global reveal takes place on October 6, 2026, alongside three other Triumph bikes.
- The bike adopts traditional Bonneville design cues, including a teardrop fuel tank, flat bench seat, and wire-spoke wheels.
- Built on the single-cylinder 400 platform developed with Bajaj Auto.
- Employs conventional telescopic front forks and twin rear shock absorbers instead of the upside-down forks and monoshock on the Speed 400.
- Aims directly at middleweight classic rivals like the Royal Enfield Classic 350 and Honda CB350.
Design and Hardware Changes
The upcoming model takes styling cues from larger siblings like the Bonneville T100 and T120. Recent test mules and teaser silhouettes show a round LED headlamp, round mirrors, rubber gaiters on the front forks, full-length metal fenders, and a classic peashooter exhaust pipe. Unlike the cast alloy wheels on the Speed 400, the Bonneville 400 uses traditional wire-spoke wheels.
The chassis setup also departs from the sportier Speed 400. Triumph has fitted right-side-up telescopic front forks and twin rear shock absorbers. This requires a modified rear subframe and a different swingarm setup to support dual shocks. The riding geometry looks upright and relaxed, aided by a wide handlebar and a flat bench seat. Up front, the cockpit appears to house a fully circular instrument pod. Disc brakes at both ends with dual-channel ABS will handle braking duties.
Engine and Expected Performance
The Bonneville 400 uses the liquid-cooled, single-cylinder engine platform found in the Speed 400 and Scrambler 400 X. Some reports suggest the Indian market could see a 349 cc variation or dedicated low-end tuning to deliver calmer torque delivery suited for relaxed highway cruising and daily city commutes. In existing 400 models, the 398 cc motor delivers 40 PS and 37.5 Nm of torque paired with a 6-speed gearbox, but Triumph will likely tune the gearing and throttle response specifically for retro cruiser duties.
Target Rivals and India Launch
Triumph intends to challenge Royal Enfield’s hold on the retro motorcycle category in India. Primary competitors include the Royal Enfield Classic 350, Bullet 350, and the Honda CB350 series. An official commercial rollout in India is expected to follow during the ongoing festive period or before the close of 2026.
Frequently Asked Questions
Q1. When will Triumph unveil the Bonneville 400?
A1. Triumph will unveil the Bonneville 400 on October 6, 2026, during an event scheduled for 4:30 PM IST.
Q2. How is the Bonneville 400 suspension different from the Speed 400?
A2. The Bonneville 400 features conventional telescopic front forks with rubber gaiters and twin rear shock absorbers, whereas the Speed 400 uses upside-down front forks and a rear monoshock.
Q3. What are the main rivals of the Triumph Bonneville 400 in India?
A3. Its chief competitors in India include the Royal Enfield Classic 350, Royal Enfield Bullet 350, and the Honda CB350 range.
