Uitlises your towball the JetBlack Jetrack is the simplest, most compatible , no fuss bike rack, holding up to 4 bikes and folds easily to fit into your car. The JetRack Deluxe Folding tow ball mounted bike carrier is suitable for all types of bikes from small children's bikes to full blown downhill bikes.JetRack's simple design allows for easy mounting and securing of any style of bike through the bungy fasteners and features tough high density foam padding on the tubing for ease of use and protection for your bike .Easily attached to the tow ball with dual Allen bolts the JetRack system is a safe and secure option for your bike transport needs. The Folding deluxe rack folds to easily fit in your car or when stored away.