The headset is the set of components on a bicycle that provides a rotatable interface between the bicycle fork and 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.
Bicycle Headsets types have:
1) Threaded type
2) Threadless type
3) Intergrated type
4) Internal type.
Bicycle Headsets Bearings types usually have:
1) Sealed Ball Bearings, also called Cartridge Bearings(the full ball bearings that inner ring + outer ring + nylon cage + balls + grease + double-sealed/single-sealed)
2) Caged Balls(loose balls + steel cage)
3) Loosed Balls
We only produce Sealed Ball Bearings for threadless type headsets. This bearing has a good rotation and performance sealing ability.
Bicycle Headset Bearings Introdution:
The bearing inner ring & outer ring has special angle (also called chamfer) with 45°/45°, 36°/45°, 36°/36°. All these bearings look similar.
The bearing inner ring & outer ring material has Chrome Steel SAE 52100 / 100Cr6, or Stainless Steel SUS 440C.
The ball material has Chrome Steel with G10 grade, Stainless Steel with G10 grade, Ceramic Balls Si3N4 with G5 grade.
The cage material is Nylon(PA66).
The seal material is NBR+SPCC.
The seal color has black, red, blue, yellow, green and gray.
The seal types have non-contacted, light-contacted & heavy-contacted.
The lubrication is MOBIL brand bearing grease. We can use other brand bearing grease (SHELL, KYODO, KLUBER, EXXON) if you need.
Our bicycle headset bearings could be used in FSA, CANE CREEK, CHRIS KING, HOPE, VP, TH, FIRST, NECO, ZERONINE brand headsets.
Warmly welcome to custom application production.