Tomberlin MadAss vs UM X-Peed 50R (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Tomberlin MadAssstacks up against the UM X-Peed 50R. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Tomberlin MadAss | UM X-Peed 50R |
|---|---|---|
| Model year | 2007 | 2007 |
| Price | $1,599 | $1,849 |
| Engine | 50 cc | 49 cc |
| Horsepower | 3 hp | — |
| Weight | 85 kg | — |
| Seat height | — | 31 mm |
| Fuel capacity | 1.2 L | — |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Single disc | Single disc. Vented brake |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Tires | 90/90-R16 / 120/80-R16 | 120/70-12 / 120/70-12 |
Tomberlin MadAss vs UM X-Peed 50R — which should you buy?
Picking between the Tomberlin MadAss and the UM X-Peed 50R usually comes down to the numbers you care about most. On paper, the Tomberlin MadAss brings 3 hp in a 85 kg package, while the UM X-Peed 50R counters with its own power figure. On price, the Tomberlin MadAss 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: