UNIVERSAL 4 Bike T-RaxPRO Hitch Accommodates 2 to 4 bikes.Universal Hitch accommodates 1/4" and 2" hitch sizes. Bikes lock to the rack, and the rack locks to your vehicle for added security. Adjustable pivoting antisways and holddowns keep bikes stable and secure. Tilting arms with a simple pin removal. Locking Hitch Tite secures rack to vehicle.