Bicycle hub structure

A bicycle hub structure comprising:

• a hub seat having an assembling space comprising a bearing piece and a shaft, an end of the shaft extending out of the assembling space, and an opened end of the assembling space having an inner threaded section;
• an interlocking ring having an outer threaded section corresponding to the inner threaded section of the assembling space and an inner surface with a strengthening surface treatment;
• a chainring seat having a chamber assembled with a bearing piece for connection with the shaft, and an opened end of the chamber comprising an inner threaded section;
• a shaft sleeve having a shaft hole jacketing onto the shaft, an outer threaded section, and a control section smaller than the outer threaded section with a strengthening surface treatment;
• and
• a one-way bearing comprising an inner ring, an outer ring and a plurality of engaging blocks disposed between the inner and outer rings, an elastic piece disposed between the inner and outer rings, configured for restricting the engaging blocks, the one-way bearing mounted between the inner surface of the interlocking ring and the control section of the shaft sleeve.