1 / 20 自 行 车 入 门 知 识 大 全 一 、自 行 车 的分类 ........................................................................................................................................3 1. 山地车 （MTB）............................................................................................................................3 2. 公路车 (ROAD BIKE) ..................................................................................................................3 3. 旅行 车 (Trekking Bike) ................................................................................................................3 4. 折叠车 (Folding Bike) ..................................................................................................................3 5. 小轮车 ...........................................................................................................................................3 6. 通勤车 ...........................................................................................................................................3 二、自 行 车 基本构造 ....................................................................................................................................3 1.车 身系统 ............................................................................................................................................3 2.转向系统 ............................................................................................................................................3 3.传动系统 ............................................................................................................................................3 4.变速系统 ............................................................................................................................................3 5.避震系统 ........................................................................................................
