This invention relates to a carbon fiber bicycle rim and its molding method, belonging to the reinforcement technology of carbon fiber rims. Specifically, it includes a technique that integrates a metal wire (steel wire) into a sidewall of a carbon fiber r...

A vehicle wheel of the present invention, includes: a sub air chamber member which serves as a Helmholtz resonator and is fixed to an outer circumferential surface of a well portion in a tire air chamber; a first standing wall surface formed such as to sta...

A vehicle wheel of the present invention, includes: a sub air chamber member which serves as a Helmholtz resonator and is fixed to an outer circumferential surface of a well portion in a tire air chamber; a first standing wall surface formed such as to sta...

The invention relates to a cover (10) for a wheel rim (20, 20'), in particular for a wheel rim of a light alloy wheel for motor vehicles, wherein the wheel rim (20, 20') has a rim inner bed (21, 21'), which transitions into a rim inner horn (23, 23') arran...

It is an object of the present invention to provide a rim for a pneumatic tire that can suppress local deformation of the sidewall portion of a mounted tire and thus suppress the occurrence of damage to the sidewall portion. The rim for a pneumatic tire ac...

A two-piece-wise built-up light-alloy wheel with a rather big diameter for automobiles and two-wheeled vehicles, being aimed to be made as lightweight and have an improved ornamental appearance, comprising: a rim (2) having outer and inner rim portions int...