Please note You should check your local state or territory guidelines as each state and territory in Australia has a different set of rules and regulations regarding the safe use of car racks and displaying your number plates while driving. "The Yakima Double Down Ace Bike Rack is a great choice for families or groups of friends who want to carry multiple bikes on trips" and need a secure" stable" easy-to-use" and durable option for their car. Evolution Basin The Yakima Double Down Ace 4 bike hitch rack is Yakimas latest 4 bike hitch rack. Its significantly easier to install thanks to the introduction of Yakimas patented Speed Knob technology - you can have the rack installed and be on your way in under 5 minutes! The Speed Knob also doubles up as an integrated hitch lock" thus ensuring your rack is secure at all times. On top of this" Yakima have equipped the Double Down with their exclusive SWITCHBLADE anti-sway cradles! You can now rest easy knowing that your pride and joy wont be clattering into each other! The rack is able to be tilted with a full load so that you access the boot of your car at any time. On top of this" Yakima have integrated their clever TRIGGERFINGER technology to fold the arms of the rack down with the push of the button. Not only does this make the Double Down Ace 4 easier to live with when installed" it also makes removing the rack a breeze! Of course" it wouldnt be a Yakima car rack if it didnt come with an integrated bottle opener so that you can crack a cold drink after a long hard day of riding!