Derbi Atlantis Bullet vs UM X-Peed 50R (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Derbi Atlantis Bulletstacks up against the UM X-Peed 50R. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Derbi Atlantis Bullet | UM X-Peed 50R |
|---|---|---|
| Model year | 2006 | 2007 |
| Price | — | $1,849 |
| Engine | 50 cc | 49 cc |
| Seat height | — | 31 mm |
| Fuel capacity | 1.9 L | — |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | Automatic |
| Front brakes | Single disc | Single disc. Vented brake |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 120/80-12 / 120/70-12 | 120/70-12 / 120/70-12 |
Derbi Atlantis Bullet vs UM X-Peed 50R — which should you buy?
Picking between the Derbi Atlantis Bullet and the UM X-Peed 50R usually comes down to the numbers you care about most. On paper, the Derbi Atlantis Bullet brings its published horsepower, while the UM X-Peed 50R 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: