Abstract: A skate board scooter includes a base, a head tube, a handlebar stem extended through the head tube, and a connecting member extended from the head tube. A first mounting wall and a second mounting wall are mounted on the first end of the base. The first mounting wall and the second mounting wall are spaced to allow the lower end of the connecting member to pivot therebetween. The first mounting wall includes a first positioning hole and a second positioning hole. The second mounting wall includes a third positioning hole aligned with the first positioning hole, a fourth positioning hole aligned with the second positioning hole, and a connecting slot that communicates the third positioning hole with the fourth positioning hole. A pivotal pin is extended through aligned pivotal holes of the first mounting wall and the second mounting wall and a pivotal hole of the connecting member.

Abstract: A handlebar structure including a sleeve formed on a stem, a handlebar including two halves each including a free end engaged on a coupler and engaged in the sleeve, two stubs formed on one end of the coupler, two slots formed on the free end of one half of the handlebar and engaged with the stubs when the half of the handlebar is engaged on the coupler, whereby, the handlebar is easily secured to the sleeve.