Key Features Cool Appearance: The bold combination of classic black and dazzling red brings an unparalleled cool appearance to this mountain bike. Riding it, your child can easily become the focus of the crowd and experience the thrill of a racing driver. Adjustable Seat: Its seat height can be adjusted from 24.8 inches to 30inches, allowing children between 4.26 and 4.9 feet in height to enjoy comfortable cycling. You don't have to worry about children growing too fast and needing to change bicycles frequently! Multi-speed Transmission: Seven gears allow children to choose the appropriate speed according to their own needs and different environments, making it easy to ride. The 7-piece taren is flexible and smooth, allowing for stable and accurate gear shifting in different terrains. S.