这是个简单的外部机构,但却是很重要的组成部分。它是利用杠杆原理把我们的力能转化为动能的桥梁。品质的重点首要在它的强度,其次为转向间隙与平衡度。摇臂机构:主要由手把、手把铆钉、摇臂、心轴、心轴套管、紧固螺丝……组成。根据以下的部件我们 This is a simple external organization, but it is a very important part. It is a bridge that uses the principle of leverage to transform our power into kinetic energy. The focus of quality is primarily its strength, followed by steering clearance and balance. Rocker arm mechanism: mainly by the handlebar, rivet handle, rocker arm, mandrel, spindle sleeve, fastening screws ... ... composition. According to the following parts we