According to the present invention as described above, the bicycle is run using {TAIL ~ pedaling} of the clockwise direction or {HEAD ~ the counterclockwise direction} 
According to the present invention as described above , the bicycle is run using { TAIL ~ pedaling } of the clockwise direction or { HEAD ~ the counterclockwise direction }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD