The super lightweight, safety-focused children's bike in 20 inches with BMX handlebars and a 7-speed gear system. Age: 6 to 8 years Height: 115 - 130 cm Diverse color options: The GO models from woom are available in the colors "woom red," "metallic turquoise," "metallic blue," "hot pink," and "vibrant yellow." As not all colors are always in stock, we kindly ask you to inquire with us about which colors are currently available and which can be delivered immediately.