Vento Phantom r4i vs UM Matrix II 150 (2010)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Vento Phantom r4istacks up against the UM Matrix II 150. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecVento Phantom r4iUM Matrix II 150
Model year20102010
Price$2,199
Engine150 cc150 cc
Horsepower9 hp
Torque9 Nm
Weight104 kg103 kg
Seat height38 mm35 mm
Fuel capacity1.4 L1.5 L
Fuel typepetrolpetrol
TransmissionAutomatic1-speed
Front brakesSingle disc. ABSSingle disc
Rear brakesExpanding brake (drum brake)Expanding brake (drum brake)
Tires130/60-13 / 130/60-13 130/60-13 / 130/60-13

Vento Phantom r4i vs UM Matrix II 150 — which should you buy?

Picking between the Vento Phantom r4i and the UM Matrix II 150 usually comes down to the numbers you care about most. On paper, the Vento Phantom r4i brings 9 hp in a 104 kg package, while the UM Matrix II 150 counters with its own power figure at 103 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: