Patent ID: 6682088
Filing Date: 2004-01-27
Classification: B62K

Abstract:
A bicycle head tube and ball bearing mounting arrangement comprising a head tube, said head tube having two expanded receiving portions respectively disposed in top and bottom ends thereof, and two ball bearing assemblies respectively mounted in said expanded receiving portions of said head tube in reversed directions and adapted to support a handlebar stem and front fork assembly in said head tube, for enabling said handlebar stem and front fork assembly to be rotated relative to said head tube; wherein two gasket rings are respectively mounted in the top and bottom ends of said head tube to support said ball bearing assemblies in said expanded receiving portions of said head tube, said gasket rings each having a curved inner diameter fitted over the bottom edge of the respective ball bearing assembly to prevent direct contact of the bottom edge of the respective ball bearing assembly from direct contact with the respective expanded receiving portion of said head tube.