Giantco Stealth 50 vs Yiben 139QBT-15 (2009)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Giantco Stealth 50stacks up against the Yiben 139QBT-15. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Giantco Stealth 50 | Yiben 139QBT-15 |
|---|---|---|
| Model year | 2009 | 2008 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 3 hp | — |
| Torque | 3 Nm | — |
| Weight | 90 kg | — |
| Fuel capacity | 1.1 L | — |
| Fuel type | petrol | petrol |
| Front brakes | Single disc | — |
| Rear brakes | Expanding brake (drum brake) | — |
| Tires | 110/70-12 / 120/70-12 | — |
Giantco Stealth 50 vs Yiben 139QBT-15 — which should you buy?
Picking between the Giantco Stealth 50 and the Yiben 139QBT-15 usually comes down to the numbers you care about most. On paper, the Giantco Stealth 50 brings 3 hp in a 90 kg package, while the Yiben 139QBT-15 counters with its own power figure.
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: