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A head tube facing and reaming tool is a hand tool used to machine the head tube to ensure proper headset bearing alignment. The tool usually has separate and interchangeable facing and reaming cutters which can vary widely with the many available headset standards.
A headset bearing cup press is a bearing press specifically for pressing in interference-fit headset cups. Most sets come with special stepped bushings or adapters that contact the cups, preventing damage when installed. Some manufacturers (e.g. Chris King) also make proprietary adapters for installing their headsets.
A crown race cutting tool is a hand tool used to counter-ream and face the base of the fork column at the crown (known as the crown race seat). A single cutter is usually used to perform both aspects of the cutting operation. The process machines the crown race seat to be precisely perpendicular to the steering column axis and of the correct press-fit diameter, ensuring the proper alignment of the crown race with the lower headset bearing.
A crown race puller or remover is a tool for removing the headset crown race. There are various tools on the market ranging from less than US$100 to several hundreds of dollars.
Headset wrenches are oversized (32 – 36 mm) flat open-end wrenches for tightening headset cups and lock nuts on threaded steering tubes. May be designed to contact 7 sides of an 8 sided (8-point) lock nut.
Hex (or Allen) keys are used on the various hex bolts on the stem, top cap and handlebars.
A star nut setter is used to set the star nut inside of the fork steering column for threadless headsets.
