Small wheeled bikes like the Strida can take some getting used to & some riders find it easy to topple over on them .
小轮自行车，如斯特日达能采取一些习惯-一些乘客也很容易对他们倒下了。
A Strida owner , Bruce Hartleben says .
阿斯特日达老板布鲁斯哈特勒本说。
strida