This is an Authentic FOLD & GO Rear Wheel Motor. This replacement motor wheel bolts to the frame of your wheelchair. This replacement motor does not come with the tire. Your FOLD & GO Rear Motor wheel has a 1-YEAR Warranty. We recommend always using Authentic parts for your FOLD & GO Electric Wheelchair to ensure full compatibility. Choose which side motor wheel you need: right and left side is determined by the person sitting in the wheelchair.