2-Bike Roof Rack Bicycle Carrier & Cargo Storage Bag Transports 1 or 2 bicycles on an existing vehicle roof rack and holds extra gear in the roof cargo storage bag For cross bars up to a maximum 3-5/8"W x 1.25"H with at least 1.5" clearance between the cross bars and vehicle roof Skewer mount design holds bicycles by the front fork Water resistant 35"L x 9"W gear storage bag with self-repairing water-tight zipper High strength aluminum with a black paint finish