Viarelli Monztro vs Vastro 50 Street-X (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Viarelli Monztrostacks up against the Vastro 50 Street-X. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Viarelli Monztro | Vastro 50 Street-X |
|---|---|---|
| Model year | 2021 | 2021 |
| Price | — | $1,125 |
| Engine | 49 cc | 49 cc |
| Horsepower | 3 hp | 3 hp |
| Torque | 3 Nm | — |
| Weight | 99 kg | 80 kg |
| Fuel capacity | 1.7 L | 1.3 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | — | 3.50-10 / 3.50-10 |
Viarelli Monztro vs Vastro 50 Street-X — which should you buy?
Picking between the Viarelli Monztro and the Vastro 50 Street-X usually comes down to the numbers you care about most. On paper, the Viarelli Monztro brings 3 hp in a 99 kg package, while the Vastro 50 Street-X counters with 3 hp at 80 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: