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

SpecBeta RR X-Pro 125 2-StrokeKTM SX 125
Model year20262026
Price$2,026$8,449
Engine124 cc124 cc
Weight93 kg92 kg
Seat height929 mm958 mm
Fuel capacity9.0 L7.0 L
Fuel typepetrolpetrol
TransmissionManual, 6 speed, ChainManual, 6 speed, Chain
Front brakesHydraulic DiscHydraulic Disc
Rear brakesHydraulic DiscHydraulic Disc
TiresMaxxis Enduro 21 / Maxxis Enduro 18Dunlop® 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: