Cobra CX50 SR King vs Polini X1R H2O (2018)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Cobra CX50 SR Kingstacks up against the Polini X1R H2O. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Cobra CX50 SR King | Polini X1R H2O |
|---|---|---|
| Model year | 2018 | 2016 |
| Price | $4,198 | — |
| Engine | 50 cc | 50 cc |
| Weight | 41 kg | 43 kg |
| Seat height | 27 mm | 25 mm |
| Fuel capacity | 1.1 L | 0.8 L |
| Fuel type | petrol | petrol |
| Transmission | 1-speed | — |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 60/100-12 / 70/100-10 | 2.50-10 / 2.75-10 |
Cobra CX50 SR King vs Polini X1R H2O — which should you buy?
Picking between the Cobra CX50 SR King and the Polini X1R H2O usually comes down to the numbers you care about most. On paper, the Cobra CX50 SR King brings its published horsepower in a 41 kg package, while the Polini X1R H2O counters with its own power figure at 43 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: