八方驰魅自行车丁于简便、廉易的自行车是中国人的主要交通工具，中国自行车拥有量世界第一。多年一贯制的傻、大、黑、粗的自行车，已被近年来大街小巷出现的越来越多色彩斑斓、款式新颖、骑行便捷的山地车、变速车等取代。中国老百姓自行车需求档次明显提高，需求已趋于... Octagon Chi Charm bike Ding simple, easy bike is the Chinese main means of transport, China has the highest amount of bicycles in the world. Stupid, big, black and rough bicycles, which have been consistently used for many years, have been replaced by more and more colorful, fashionable and easy-going mountain biking and speed-changing vehicles in the streets in recent years. Chinese people’s bicycle needs a marked increase in the level of demand, demand has tended to ...