A constant velocity joint assembly includes an outer race having a plurality of outer tracks formed in an inner surface thereof and an inner race having a plurality of inner tracks formed in an outer surface thereof. A cage is disposed between the inner race and the outer race. A plurality of torque transferring elements are disposed in the cage. Each torque transferring element contacts one of the outer tracks of the plurality of outer tracks and one of the inner tracks of the plurality of inner tracks. A drive sleeve is separated from the plurality of torque transferring elements by the inner race. Also, the drive sleeve is in driving engagement with the inner race. A stopper portion is attached to the drive sleeve. The stopper portion comprising a portion that reduces in thickness toward an outer end thereof.
