"Joystar Bike" is a legitimate brand that specializes in manufacturing high-quality bikes for kids. The bikes are designed for children aged between 2 and 9 years old and are available for both genders. They offer unique and versatile designs with high-quality steel frames. The bikes also come with safety features such as rubber-coated training wheels and coaster brakes. The brand has been in the industry since 1997 and is committed to providing a nice and comforting bike riding experience for children. So, yes, "Joystar Bike" is legit and well-regarded in the industry.