The tandem bicycle or twin is a form of bicycle (occasionally, a tricycle) designed to be ridden by more than one person. The term tandem refers to the seating arrangement (fore to aft, not side-by-side) instead of the number of riders.
丁庄秀园 发表评论于
回复镜中花的评论:
Search "dual drive bike" in "amazon.com"
http://www.amazon.com/s/ref=nb_ss_gw/105-9311222-5880402?url=search-alias%3Daps&field-keywords=dual+drive+bike&x=0&y=0
镜中花 发表评论于
好羡慕!请问到哪卖的?我到运动器材店怎么从来没见过这种车.
丁庄秀园 发表评论于
哎呀好热闹,原来上了城门。正忙呢!谢谢大家,不一一回了,老美都不少羡慕说:I want to get this bike!