Locking hitch insert fits 2" receiver hitches Capacity: 2 Bikes at up to 70 LB per Bike Patented, quick install hitch insert secures and tightens rack inside of receiver hitch; includes two keys. Quick-fold carry arms drop out of the way when not in use Rapid tilt-away feature for easy lift-gate access Dual-compound tie-down cradles with quick-secure straps protect your bicycles during transport Accommodates a wide range of bicycle frame designs Large padded spine shield protects your bicycles from the rack and an included tie-down strap helps you keep everything in place while you're driving Minor assembly required. No tools needed to install rack to vehicle