Viarelli Monztro vs TGB Key West 50 (2021)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Viarelli Monztrostacks up against the TGB Key West 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecViarelli MonztroTGB Key West 50
Model year20212020
Price$1,999
Engine49 cc49 cc
Horsepower3 hp2 hp
Torque3 Nm
Weight99 kg94 kg
Fuel capacity1.7 L1.8 L
Fuel typepetrolpetrol
TransmissionAutomaticAutomatic
Front brakesSingle discSingle disc
Rear brakesSingle discExpanding brake (drum brake)
Tires120/90-10 / 120/90-10

Viarelli Monztro vs TGB Key West 50 — which should you buy?

Picking between the Viarelli Monztro and the TGB Key West 50 usually comes down to the numbers you care about most. On paper, the Viarelli Monztro brings 3 hp in a 99 kg package, while the TGB Key West 50 counters with 2 hp at 94 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: