TGB 203 50 vs Adly Thunder Bike 50 (2008)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the TGB 203 50stacks up against the Adly Thunder Bike 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | TGB 203 50 | Adly Thunder Bike 50 |
|---|---|---|
| Model year | 2008 | 2008 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 5 hp | 4 hp |
| Torque | — | 1 Nm |
| Weight | 81 kg | 77 kg |
| Seat height | 30 mm | — |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc | Double disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 120/70-12 / 120/70-12 | 120/70-12 / 120/70-12 |
TGB 203 50 vs Adly Thunder Bike 50 — which should you buy?
Picking between the TGB 203 50 and the Adly Thunder Bike 50 usually comes down to the numbers you care about most. On paper, the TGB 203 50 brings 5 hp in a 81 kg package, while the Adly Thunder Bike 50 counters with 4 hp at 77 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

