Beta Ark 50 AC vs Derbi GP1 Open 50 (2007)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Beta Ark 50 ACstacks up against the Derbi GP1 Open 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecBeta Ark 50 ACDerbi GP1 Open 50
Model year20072007
Price
Engine49 cc49 cc
Weight84 kg
Seat height33 mm31 mm
Fuel capacity2.0 L2.9 L
Fuel typepetrolpetrol
TransmissionAutomatic
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires130/60-13 / 130/60-13 120/70-14 / 130/60-13

Beta Ark 50 AC vs Derbi GP1 Open 50 — which should you buy?

Picking between the Beta Ark 50 AC and the Derbi GP1 Open 50 usually comes down to the numbers you care about most. On paper, the Beta Ark 50 AC brings its published horsepower in a 84 kg package, while the Derbi GP1 Open 50 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: