UM GP1-R 50 vs Beta Ark AC RR (2010)

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

Spec comparison

SpecUM GP1-R 50Beta Ark AC RR
Model year20102010
Price
Engine49 cc49 cc
Weight91 kg88 kg
Seat height30 mm
Fuel capacity1.5 L2.0 L
Fuel typepetrolpetrol
Transmission1-speedAutomatic
Front brakesSingle discSingle disc
Rear brakesExpanding brake (drum brake)Single disc
Tires120/70-12 / 120/70-12 130/60-13 / 130/60-13

UM GP1-R 50 vs Beta Ark AC RR — which should you buy?

Picking between the UM GP1-R 50 and the Beta Ark AC RR usually comes down to the numbers you care about most. On paper, the UM GP1-R 50 brings its published horsepower in a 91 kg package, while the Beta Ark AC RR counters with its own power figure at 88 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: