Diamo Aero GTX50 vs UM X-Peed 50R (2007)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Diamo Aero GTX50stacks up against the UM X-Peed 50R. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecDiamo Aero GTX50UM X-Peed 50R
Model year20072007
Price$1,695$1,849
Engine50 cc49 cc
Horsepower4 hp
Weight113 kg
Seat height29 mm31 mm
Fuel capacity2.0 L
Fuel typepetrolpetrol
TransmissionAutomaticAutomatic
Front brakesSingle disc. ABSSingle disc. Vented brake
Rear brakesSingle disc. ABSExpanding brake (drum brake)
Tires-1120/70-12 / 120/70-12

Diamo Aero GTX50 vs UM X-Peed 50R — which should you buy?

Picking between the Diamo Aero GTX50 and the UM X-Peed 50R usually comes down to the numbers you care about most. On paper, the Diamo Aero GTX50 brings 4 hp in a 113 kg package, while the UM X-Peed 50R counters with its own power figure. On price, the Diamo Aero GTX50 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: