FIGS 7 to 9 disclose a second embodiment of the bicycle hub assembly of,the present invention and the second embodiment is used for the rear wheel, wherein {HEAD ~ the support unit} 10 includes {TAIL ~ two flanges} 13 and a hollow tube 14 which is connected between the two flanges 13 
includes
FIGS 7 to 9 disclose a second embodiment of the bicycle hub assembly of , the present invention and the second embodiment is used for the rear wheel , wherein { HEAD ~ the support unit } 10 includes { TAIL ~ two flanges } 13 and a hollow tube 14 which is connected between the two flanges 13
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