Bike Headset Diagram

Threadless headsets used on many newer bikes since the 1990s fit forks with unthreaded steerers and use a clamp or collar to secure the top race. Threaded headsetssteerers in order of frame cup outside diameter crown race inside diameter threads per inch and steerer od the dimensions which affect headset compatibility with frame and fork.

Threaded Headset Diagram Wiring Diagram Schematics

It might not be the sexiest component in the world but it does a vital job.

Bike headset diagram. Aug 25 2015 headset service. For any given frame you can. When its working as it should you probably wont notice your headset too much but you will become conscious of it if it needs regreasing or starts to.

The headset is the bearing assembly that fits to a bikes head tube and allows the fork and front wheel to turn. Most bicycle frames dont care which style headset is used as long as it is the correct size. 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 framethe tube through which the steerer of the fork passes is called the head tubea typical headset consists of two cups that are pressed into the top and bottom of the headtube.

There is a cap in the top of the stem that will apply pressure to the race when the stem is loose. Usually the handlebar stem does double duty as this clamp or collar. A typical threadless headset on the bike and the various parts are seen below.

Sheldon browns bicycle headset dimension crib sheet. Dismantling restoring reassembling and adjusting a 1 inch threaded bicycle headset.