Beta RS 390 vs Beta BETA RR X-Pro 390 4-Stroke (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta RS 390stacks up against the Beta BETA RR X-Pro 390 4-Stroke. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Beta RS 390 | Beta BETA RR X-Pro 390 4-Stroke |
|---|---|---|
| Model year | 2026 | 2025 |
| Price | $2,026 | — |
| Engine | 385 cc | 386 cc |
| Weight | 107 kg | — |
| Seat height | 934 mm | — |
| Fuel capacity | 9.0 L | — |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | — |
| Front brakes | Hydraulic Disc | — |
| Rear brakes | Hydraulic Disc | — |
| Tires | Maxxis Enduro 21 / Maxxis Enduro 18 | Maxxis Enduro 21 / Maxxis Enduro 18 |
Beta RS 390 vs Beta BETA RR X-Pro 390 4-Stroke — which should you buy?
Picking between the Beta RS 390 and the Beta BETA RR X-Pro 390 4-Stroke usually comes down to the numbers you care about most. On paper, the Beta RS 390 brings its published horsepower in a 107 kg package, while the Beta BETA RR X-Pro 390 4-Stroke 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: