Wateralone Balance Scooter Handle Bar, Smart Hover Support Handlebar, Stretchable Aluminum Alloy Self Hoverboard For 6.5" 10" Two Wheeled

【Material】: Aluminum alloy+ABS. Inner diameter 7cm/2.75" for 6.5" or 10" scooter, easy to install. Suitable for hoverboard that circumference of intermediate shaft less than 22cm. 【Control And Security】：With the handlebar the hoverboard can be lifted easily over every obstacle, gives the driver a sense of more control and security. Ideal for beginners and advanced. 【Length】: 50-96cm/19.69"-37.8" stretchable, adjustable height for kids and adults. Balance additional stability by adding handlebars to balance and support when installing the hoverboard. 【Easy To Install】: Open the ring closure,place the ring in the middle of the hoverboard,lose the ring,finished. 【Note】: Electric self balancing car not included. brand new with good quality. The handle makes driving safer and easier, and it is convenient for you.