A great way to securely carry up to 25 Lbs. of stuff you need with your bike whether going on a long tour or just commuting to work. It is specifically designed to fit all our Ray-1 and Ray 2 recumbent bicycles. Made from sturdy but lightweight 6061 T6 alloy with black hard anodized finish and comes with all the hardware needed to be installed in minutes. It is also compatible with most mid-size panniers and side bags.