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

SpecBeta RX 450KTM SX 450 F
Model year20262026
Price$2,026$11,649
Engine449 cc449 cc
Weight104 kg102 kg
Seat height944 mm958 mm
Fuel capacity5.0 L7.0 L
Fuel typepetrolpetrol
TransmissionManual, 5 speed, ChainManual, 5 speed, Chain
Front brakesHydraulic DiscHydraulic Disc
Rear brakesHydraulic DiscHydraulic Disc
TiresDunlop Geomax MX 34 80/100-21 / Dunlop Geomax MX 34 110/90-19Dunlop® 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: