Sherco 125 ST vs GAS GAS Halley 125 4T (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sherco 125 STstacks up against the GAS GAS Halley 125 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sherco 125 ST | GAS GAS Halley 125 4T |
|---|---|---|
| Model year | 2017 | 2010 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Weight | 67 kg | — |
| Seat height | 27 mm | 37 mm |
| Fuel capacity | 0.6 L | — |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 6-speed |
| Front brakes | Single disc. Hydraulically activated Formula floating disc | Single disc. 2-piston caliper. |
| Rear brakes | Single disc. Hydraulically activated Formula floating disc | Single disc. Single-piston |
| Tires | 2.50-21 / 2.75-18 | 2.75-21 / 4.10-18 |
Sherco 125 ST vs GAS GAS Halley 125 4T — which should you buy?
Picking between the Sherco 125 ST and the GAS GAS Halley 125 4T usually comes down to the numbers you care about most. On paper, the Sherco 125 ST brings its published horsepower in a 67 kg package, while the GAS GAS Halley 125 4T counters with its own power figure.
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: