The RIEJU MOTORS NKD is a lightweight, economical, and sporty motorcycle from Spain. It is powered by a 49cc single-cylinder air-cooled engine and has a top speed of 28 mph (45 km/h). It has a stylish, modern design and comes in two versions – the NKD125 and the NKD50. The NKD125 has an off-road look and is equipped with a jet-black frame, black spoked rims, and grey-blue body. The NKD50 has a classic look and comes in white, black, and red. Both versions feature solid suspension, a light frame, and a seat height of 779 mm (30.7 in).