Gilera Runner 50 SP Simoncelli vs Derbi Atlantis City 50 2T (2010)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Gilera Runner 50 SP Simoncellistacks up against the Derbi Atlantis City 50 2T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Gilera Runner 50 SP Simoncelli | Derbi Atlantis City 50 2T |
|---|---|---|
| Model year | 2010 | 2010 |
| Price | — | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 5 hp | — |
| Torque | 5 Nm | — |
| Weight | — | 86 kg |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | — | 1.9 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc. Hydraulic with Ø 220 mm stainless steel disc | Single disc |
| Rear brakes | Single disc. Hydraulic with Ø 175 mm stainless steel disc | Expanding brake (drum brake) |
| Tires | 120/70-14 / 140/60-13 | 120/70-12 / 120/70-12 |
Gilera Runner 50 SP Simoncelli vs Derbi Atlantis City 50 2T — which should you buy?
Picking between the Gilera Runner 50 SP Simoncelli and the Derbi Atlantis City 50 2T usually comes down to the numbers you care about most. On paper, the Gilera Runner 50 SP Simoncelli brings 5 hp, while the Derbi Atlantis City 50 2T counters with its own power figure at 86 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:

