| 摘要 |
A headset assembly for a bicycle includes a bearing set engaged with an inner periphery of a top end of a head tube and an outer periphery of a positioning ring is engaged with an inner periphery of the bearing set. The inner periphery of the positioning ring is mounted on a steering tube. The head tube has a threaded outer periphery and a cap has a threaded inner periphery which is threadedly connected to the threaded outer periphery of the head tube.
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