Dirza bike cargo rack is make of quality aluminum alloy,super lightweight but large load.It's designed for people who looking to carry a load but don't have mounting spots.<br> <br> The adjustable design makes it suitable for most of bikes,no matter V Brake and Disc Brake.(See image 7 how to install)<br> <br> It's also designed for the one who looking for bike cargo rack for long distance touring.The W-shaped bars effectively prevent the backpack from hitting the tires When you are cycling.<br> <br> If you're looking for a strong rack,this bike cargo rack is your best choice.<br> <br> Package including:<br> Rack Body<br> Reflector<br> Install Instruction<br> Installation tool <br> Rubber Gasket<br> Bottom Rods<br> W- Bars<br>Screws<br> Bungee Cord<br>