Thumpstar - MX 50cc SR Dirt Bike (BACK ORDER)The adrenalin fueled call of 2 strokes is here! After a year of intense research, our team has created the ultimate 2 stroke 50cc package for Thumpstar's MX line. With a powerful 49cc 2 stroke engine and centrifugal automatic clutch, this bike is ready to take on the competition in the mini class. Get your heart racing with our reed intake, water cooled engine that delivers impressive power right out of the box. Get ready to conquer the track with