Specifications: Color: Black, Silver Material: Aluminum alloy Length: 56 - 107 cm adjustable Snap ring diameter: Approx. 7 cm Package Contents: 1 x Safety Grip Stent EFFECT: Extra balance and optimal stability, add a handlebar to balance to hold and support while driving your hoverboard. It is safer and easier to ride the hoverboard. MATERIAL: Made of superior aluminum alloy material, it is rustproof and durable. EASY TO USE: Easy installation and portable. Bend the center of the hover board with the snap ring, then adjust the height of the bar. Professional design, ideal for beginners. DESIGN: The telescopic design is suitable for riders of all heights, suitable for children and adults.