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牙盘

牙盘是在自行车中，和曲柄相连的部分。也有人称为大齿盘或称为大饼。运动员通过蹬踏带动曲柄，进而带动牙盘的转动，最终通过链条和飞轮，驱动后轮转动，提供动力，完成自行车的整个传动链。

自行车配件

车架主体	头管（英语：Head tube） · 上管（英语：Top tube） · 下管（英语：Down tube） · 座管/立管（英语：Seat tube） · 五通（英语：Bottom bracket shell） · 立叉/后上叉（英语：Seat stays） · 平叉/后下叉（英语：Chain stays） · 尾勾/勾爪（英语：Fork end）

车架附件	把立（英语：Stem (bicycle part)） · 把横/手把 · 碗组（英语：Headset (bicycle part)） · 避震器/减震器（英语：Bicycle suspension）（前叉 · 后胆（英语：Rear suspension）） · 悬挂（英语：Bicycle suspension） · 座垫 · 座杆

车轮/轮组（英语：Bicycle wheel）

内胎（英语：Inner Tube） · 外胎（英语：Bicycle tire） · 辐条 · 辐条接头（英语：Spoke nipple） · 气嘴 · 防尘帽（英语：Dustcap） · 快拆杆（英语：Quick release skewer）

传动系统（英语：Bicycle drivetrain systems）

牙盘 · 中轴 · 飞轮 · 链条 · 脚踏/踏板

变速和制动

前变速器（英语：Front derailleur）	前变速器（英语：Front derailleur） · 前变速把

后变速器（英语：Rear derailleur）	后变速器（英语：Rear derailleur） · 后变速把

制动系统

前刹车器（英语：Front brake）	前刹车器（英语：Front brake） · 前刹车把

后刹车器（英语：Rear brakes）	前刹车器（英语：Front brake） · 后刹车把

周边配件

码表（英语：Bike computer） · 水壶 · 水壶架 · 车铃 · 挡泥板 · 脚撑 · 车灯（英语：Bicycle lighting） · 行李架 · 驮包（英语：Pannier） · 尾包（英语：Saddlebag） · 反光板 · 车篮 · 副轮 · 整流罩（英语：Bicycle fairing）

分类

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牙盘

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