Wheel hub device for bicycle, has hub casing with two inner and outer surrounding wall surfaces, where outer wall surface includes disk attachment region that extends from flange mounting area to inserting region

摘要

The device has a wheel hub casing (40) with a tubular wall segment (43), where the casing includes two opposite outer and inner surrounding wall surfaces (433, 434) in radial directions. The surface (433) has a flange mounting region (44) and a disk attachment region that extends from the area (44) to an inserting region (48). The segment (43) has a threaded region (47), which is in the proximity of the inserting region (48).