The BSA Thunderbolt 350 brings back the brand’s timeless charm while entering the fast-growing adventure bike segment. First shown at EICMA 2025, this new 334cc ADV mixes classic looks with modern features and real off-road strength. From its rugged design to its tech-loaded cockpit, the Thunderbolt is aimed at riders who want style, comfort and performance in one machine. With a smooth engine, smart electronics and touring-friendly ergonomics, it is shaping up to be a strong option in the mid-size adventure motorcycle category.
BSA Thunderbolt 350 Features
The Thunderbolt 350 revives a legendary BSA name and places it firmly in the adventure-bike space. It blends old-school character with modern-day engineering to make it both practical and exciting.
Key features include :
- Adventure-ready design with a rally-style beak, hand guards and upswept exhaust that gives it a rugged look.
- Tough build with a bash plate, exoskeleton frame setup and high ground clearance for rough roads and trails.
- Smart electronics such as traction control and three ABS modes — Rain, Road and Off-Road — designed for different riding conditions.
- Modern connectivity with Bluetooth, USB charging and turn-by-turn navigation on a colourful digital display.
- Touring comfort with an adjustable windscreen, wide handlebars, low seat height and a large 15.5-litre fuel tank for long rides.
BSA Thunderbolt Engine Details
At the heart of the Thunderbolt 350 is a new-age engine that focuses on power, smoothness and ease of riding. The bike shares its base with the Yezdi Adventure, so its engine and some components come from that reliable platform.
Engine Highlights :
- 334 cc, single-cylinder, liquid-cooled DOHC engine meeting Euro 5+ norms.
- Six-speed gearbox for better control and touring ability.
- Around 29.2 hp of power as per early reports.
- Tuned for daily use, highway cruising and light off-roading, making it a flexible motorcycle for all types of riders.
More Updates : BSA Thunderbolt
BSA Thunderbolt 350 Mileage and Performance
BSA hasn’t officially shared the mileage yet, but based on the engine setup and size, the expected fuel economy should be competitive for the segment.
- The 334 cc motor is likely to offer around 25–30 km/l in real-world riding.
- With close to 29 hp, the Thunderbolt should feel lively on highways and open roads.
- The 15.5-litre fuel tank provides a good riding range, suitable for touring and long weekend trips.
- Real-world ride comfort, engine heat and off-road behaviour will become clear once the production model is available.
BSA Thunderbolt Off-Road Capability
BSA has built the Thunderbolt to do more than just look adventurous — it is designed to handle different terrains with confidence.
- USD front forks and a preload-adjustable monoshock help absorb bumps and rough patches.
- Off-Road ABS mode and traction control make it safer on gravel, dirt and loose surfaces.
- Protective parts like the bash plate and hand guards add durability for trail riding.
- Comfortable, upright ergonomics and an adjustable screen make it easier to stand on the pegs and control the bike on difficult surfaces.
Together, these features show that the Thunderbolt is built for real mixed-terrain riding, not just city use.
BSA Thunderbolt 350 Expected Price & India Launch Date
- The global launch timeline is expected around mid-2026.
- An India launch has not been officially confirmed, but since the platform comes from Classic Legends in India, the chances are strong.
- Pricing details are still under wraps. Considering the 300–350 cc ADV segment and shared platform parts, the Thunderbolt is expected to be placed competitively once announced.
The BSA Thunderbolt 350 marks an important comeback for the brand. With its retro-inspired design, modern 334 cc engine, useful electronics and genuine off-road abilities, it brings a refreshing mix of classic charm and adventure practicality. Although full details—especially for the Indian market—are still awaited, the first look at EICMA suggests the Thunderbolt could become a strong rival in the mid-size ADV segment.
For riders searching for a bike that offers classic looks with modern adventure power, the Thunderbolt 350 is definitely a model to keep an eye on.
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