Upgrade

你是否曾因騎乘機車長途跋涉而兩臀痠瘀青呢？或是因為顛簸的路程而腰酸背痛？這種反重力引擎的設計除了擺脫路面不平整所帶來的不適感之外，也一併擺脫了畫輪胎的煩惱了呢！

Have you ever found your butt bruised due to riding bike? Or the tremble on road leads to backache? This kind of Anti-Gravity engine design not only resolves the discomfort from rough road, but also gets rid of the headache from drawing wheels!