SUNLITE HB-426.1 SPORT LIFT 4B 2in LOCKINGLocking hitch insert helps prevent theft and works with all 2` receivers Carry arm spacing accommodates a wide range of frame styles and designs Patented tie down cradle system individually secures and protects bicycles Carry arms fold out of the way when not in use Rack tilts back for easy lift gate access No wobble bolt eliminates movement of rack inside of hitch All retainer clips attached with lanyards to prevent lost parts Powder coated finish