雅思词汇：自行车零件

tire轮胎;

stem竖管;

tire pump打气筒;

fender挡泥板;

brake lever刹车握把;

rim轮圈;

brake cable闸线;

headlight前灯;

drive chain链条;

front/rear derailleur前/后变速器;

seat post 座杆;

front/rear brake 前/后刹车;

chain stay 后下叉;

seat tube座管;hub轮毂

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