A great way to increase storage and ease of accessibility for your cargo. Keep maintenance supplies, tools, cords and other cargo safely and securely underneath the frame of your coach. By disengaging the spring loaded latch, the unit easily slides out for easy acess to your stored cargo. An optional spare tire carrier makes this product even more useful and convenient. Anyone who has had to change a coach tire knows that easy acess to the spare tire saves time and energy. To access the spare tire, simply slide the unit out, lift out the storage bin and the spare tire will slide to within reach. Spare tire option includes tire winch. Powder coated side channels protect against the elements. Unit includes two detachable molded storage boxes with lids. Store up to 100lbs in each bin. Unit Dimensions: 99.5" L, 19.125" W, 8.277" D. Storage bin Dimensions: 27.875" L, 17" W, 8" D.