The BETA Ark Liquid Cooled 50 motorcycle is a small-displacement, electric-start enduro bike from Italian manufacturer BETA Motorcycles. It features a 50cc, single-cylinder, liquid-cooled powerplant with a five-speed transmission, a front telescopic fork, and a rear monoshock suspension. The motorcycle is designed for off-road exploration and has an impressive top speed of 70 km/h (43.5 mph).