KTM SX 125 vs Vent Derapage RR 125 4T (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 125stacks up against the Vent Derapage RR 125 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM SX 125 | Vent Derapage RR 125 4T |
|---|---|---|
| Model year | 2026 | 2023 |
| Price | $8,449 | — |
| Engine | 124 cc | 125 cc |
| Weight | 92 kg | 109 kg |
| Seat height | 958 mm | 34 mm |
| Fuel capacity | 7.0 L | 2.5 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | 6-speed |
| Front brakes | Hydraulic Disc | Double disc. Oversized two piston floating caliper |
| Rear brakes | Hydraulic Disc | Single disc. Oversized two piston floating caliper |
| Tires | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M | 110/70-17 / 140/70-17 |
KTM SX 125 vs Vent Derapage RR 125 4T — which should you buy?
Picking between the KTM SX 125 and the Vent Derapage RR 125 4T 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 Vent Derapage RR 125 4T counters with its own power figure at 109 kg.
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: