Bike Headsets

Bike Headsets
By January 28, 2015

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Bicycle Headsets Overview

The headset is a set of parts which allows the bike to steer. Head sets connect the fork steerer to the handlebars using a set of bearings, clamps or lock nuts. The fork steerer passes through the head tube of the bike and is then fixed in place with a clamp or lock nut. 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. Once the fork steerer passes through the head tube the clamp or the lock nut is attached There are two main types of head sets, threaded and threadless. More old fashioned bikes use a threaded head set to lock the forks into place. A threaded head set has a thread at the top of the fork steerer where the lock nut screws onto and locks the fork into the head tube. Conversely a threadless head sets uses a stem with a clamp and several spacers to fix the fork steerer into the head tube. (For more information on stems see “stems”)