A bicycle hub includes a tubular body and a first flange, a second flange and a third flange extend radially from an outer surface of the tubular body. The third flange is located between the first flange and the second flange. Each of the first flange, the second flange and the third flange has holes defined therethrough so as to be connected with spokes. The diameter of the three flanges and the radial distance of the holes in the three flanges may be different so as to obtain a desired rim according to the way of use of the bicycle wheel.