Archive · 5 Oct 2026
Triumph Bonneville 400 Expected to Debut Tomorrow
Triumph is expected to show a new motorcycle called the Bonneville 400 tomorrow.
The company has not yet confirmed what engine it will use.
Reports expect it to have a 349cc, liquid-cooled, single-cylinder engine, like the one in the Speed T4.
That engine makes 29 horsepower and 31Nm of torque.
It is paired with a six-speed gearbox.
The Bonneville 400 may have telescopic front forks and two rear shock absorbers.
It is also expected to use a new chassis and swingarm.
These details are expectations, not confirmed specifications.
Triumph is expected to unveil the Bonneville 400 tomorrow.
Triumph has not confirmed the motorcycle’s engine details.
The bike is expected to use the Speed T4’s 349cc liquid-cooled, single-cylinder engine.
That engine produces 29hp and 31Nm of torque and is paired with a six-speed gearbox.
Expected hardware includes telescopic front forks, twin rear shocks, and a new chassis and swingarm.
- Who
- Triumph is preparing the Bonneville 400.
- What
- The motorcycle is expected to debut, with its engine and hardware details not yet confirmed.
- When
- Tomorrow, according to the article.
- Expected debut
- Tomorrow
- Expected engine
- 349cc, single-cylinder, liquid-cooled
- Expected maximum power
- 29hp
- Expected peak torque
- 31Nm
- Expected gearbox
- Six-speed
- Expected suspension
- Telescopic front forks with rubber gaiters and twin rear shock absorbers
- Other expected hardware
- A new chassis and swingarm