page_title: Head tube
hierarchical_section_title: Head tube
caption_attribution_description: bicycle part, a photo showing the front of a bicycle frame, with handlebars and headset lock nut removed, displaying the installation of a threaded headset.
context_page_description: The head tube is the part of a cycle's tubular frame within which the front fork steerer tube is mounted. On a motorcycle, the "head tube" is normally called the steering head. On bicycles the manufacturer's brand located on the head tube is known as a head badge.
context_section_description: The head tube is the part of a cycle's tubular frame within which the front fork steerer tube is mounted.  On a motorcycle, the "head tube" is normally called the steering head.  On bicycles the manufacturer's brand located on the head tube is known as a head badge.
caption: A bicycle head tube with a partially installed bicycle headset; the locknut has yet to be fitted onto the fork steerer tube.
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