4 bike, 2 receiver extended for spare. Easily one of the best selling rack systems ever, Road Runners hold three HR300 series or four HR400 series bikes tight with durable rubber bike stabilizers and an anti sway tiedown bar. The loaded rack tilts for cargo area access, and the arms and bar fold when not in use. Our No Wobble system eliminates slack between receiver hitch and rack the system includes 9' security cable and two keyed alike padlocks. Available for 1 14 2 receiver hitch 2 extension for SUVs with external spare tire available.