Bicycle hub and bicycle wheel comprising the same

A bicycle hub, comprising:

• two disc, formed with a through hole individually, each disc being formed with a plurality of spoke holes, each spoke hole being used for a spoke of a bicycle wheel penetrating therethrough;
• an axial portion, comprising a first end, a second end, and a middle section located between the first and the second end, the first and the second end of the axial portion penetrating the through hole of one of the discs individually so that each disc is able to rotate about an axis with respect to the axial portion;
• a connecting portion, connecting between two discs so that the discs are in an operative relationship with each other, the connecting portion being disposed at outside of the middle section of the axial portion, and the connecting portion incompletely enclosing the middle section of the axial portion so that at least a part of the middle section of the axial portion is not enclosed and can be seen.