Beta RX 450 vs KTM SX 450 F (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta RX 450stacks up against the KTM SX 450 F. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Beta RX 450 | KTM SX 450 F |
|---|---|---|
| Model year | 2026 | 2026 |
| Price | $2,026 | $11,649 |
| Engine | 449 cc | 449 cc |
| Weight | 104 kg | 102 kg |
| Seat height | 944 mm | 958 mm |
| Fuel capacity | 5.0 L | 7.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 5 speed, Chain | Manual, 5 speed, Chain |
| Front brakes | Hydraulic Disc | Hydraulic Disc |
| Rear brakes | Hydraulic Disc | Hydraulic Disc |
| Tires | Dunlop Geomax MX 34 80/100-21 / Dunlop Geomax MX 34 110/90-19 | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 110/90 R19 62M |
Beta RX 450 vs KTM SX 450 F — which should you buy?
Picking between the Beta RX 450 and the KTM SX 450 F usually comes down to the numbers you care about most. On paper, the Beta RX 450 brings its published horsepower in a 104 kg package, while the KTM SX 450 F counters with its own power figure at 102 kg. On price, the Beta RX 450 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:

