An ATV drive shaft which can be produced at low costs is provided. In a drive shaft installed in an uneven terrain traversing, mounted type vehicle and adapted to transmit drive power to wheels through constant velocity joints J1 and J2 on the inboard and outboard sides, a double offset type constant velocity joint J2 is used on the inboard side and an undercut free type constant velocity joint J1 is used on the outboard side, and the track clearances of the constant velocity joints J1 and J2 are in the range of 20 μm-200 μm.