The RBC-4938HD roof basket provides substantial exterior space for carrying extra cargo and gear on a vehicle roof. Each basket is built with a strong wire mesh basket floor and frame which provides plenty of tie-down points while allowing water to easily flow through if traveling through inclement weather. Includes a slick black wind fairing to help direct air flow above the cargo to reduce noise and vibration. Attaching the roof carrier to a vehicle is quick and easy with a universal style (4) U-bolt mounting system. The clamps work with square crossbars up to 3. 25"W x 1. 375"H, or round crossbars up to 1. 375" diameter. Overall, the roof basket measures 48. 5"L x 38. 25"W x 5. 5"H with an inside space of 42. 25"L x 36. 25"W x 4. 75"H for cargo storage. Designed to effectively carry a maximum 150 lbs. distributed load. Wind fairing includes a Rage Powersports decal. Assembly is required prior to use. Heavy duty steel construction with a smooth black powder-coat finish. 48.5" Roof Luggage Cargo Storage Rack with Fairing * Adds a vehicle roof storage area for carrying extra gear, plenty of tie-down points for securing cargo * Mounts to existing cross-bars with (4) 3-1/2"W x 2"H U-Bolts * Easy to assemble and install * Slick black wind fairing reduces noise and wind resistance * Heavy duty 1"D steel frame with a black powder-coat finish