Beta RR X-Pro 125 2-Stroke vs KTM SX 125 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta RR X-Pro 125 2-Strokestacks up against the KTM SX 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Beta RR X-Pro 125 2-Stroke | KTM SX 125 |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $2,026 | $8,449 |
| Engine | 124 cc | 124 cc |
| Weight | 93 kg | 92 kg |
| Seat height | 929 mm | 958 mm |
| Fuel capacity | 9.0 L | 7.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | Manual, 6 speed, Chain |
| Front brakes | Hydraulic Disc | Hydraulic Disc |
| Rear brakes | Hydraulic Disc | Hydraulic Disc |
| Tires | Maxxis Enduro 21 / Maxxis Enduro 18 | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M |
Beta RR X-Pro 125 2-Stroke vs KTM SX 125 — which should you buy?
Picking between the Beta RR X-Pro 125 2-Stroke and the KTM SX 125 usually comes down to the numbers you care about most. On paper, the Beta RR X-Pro 125 2-Stroke brings its published horsepower in a 93 kg package, while the KTM SX 125 counters with its own power figure at 92 kg. On price, the Beta RR X-Pro 125 2-Stroke has the lower MSRP.
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:

