Headset (bicycle part)

（重定向自Aheadset）

Parts of a threadless headset before installation.

An exploded view of a 1⅛ in loose ball bearing threaded headset.

An exploded view of a 1⅛ in cartridge bearing threadless headset.

The headset is the set of components on a bicycle that provides a rotatable interface between the bicycle fork and the head tube of the bicycle frame itself. The short tube through which the steerer of the fork passes is called the head tube. A typical headset consists of two cups that are pressed into the top and bottom of the headtube. Inside the two cups are bearings which provide a low friction contact between the bearing cup and the steerer.

单词	Aheadset
释义	Aheadset 英语百科 Headset (bicycle part) （重定向自Aheadset） The headset is the set of components on a bicycle that provides a rotatable interface between the bicycle fork and the head tube of the bicycle frame itself. The short tube through which the steerer of the fork passes is called the head tube. A typical headset consists of two cups that are pressed into the top and bottom of the headtube. Inside the two cups are bearings which provide a low friction contact between the bearing cup and the steerer.
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