KTM SX 125 vs Beta RR X-Pro 125 2-Stroke (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 125stacks up against the Beta RR X-Pro 125 2-Stroke. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecKTM SX 125Beta RR X-Pro 125 2-Stroke
Model year20262026
Price$8,449$2,026
Engine124 cc124 cc
Weight92 kg93 kg
Seat height958 mm929 mm
Fuel capacity7.0 L9.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, ChainManual, 6 speed, Chain
Front brakesHydraulic DiscHydraulic Disc
Rear brakesHydraulic DiscHydraulic Disc
TiresDunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57MMaxxis Enduro 21 / Maxxis Enduro 18

KTM SX 125 vs Beta RR X-Pro 125 2-Stroke — which should you buy?

Picking between the KTM SX 125 and the Beta RR X-Pro 125 2-Stroke usually comes down to the numbers you care about most. On paper, the KTM SX 125 brings its published horsepower in a 92 kg package, while the Beta RR X-Pro 125 2-Stroke counters with its own power figure at 93 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: