Givi Trekker Monokey 33 Liter Aluminum Top/Side Case (2 Cases) (Black) The GIVI Trekker series are the new adventure touring cases utilizing a unique full and partial lid opening system. Made from a combination of polypropylene and aluminum panels, the Trekker series with its patented Monokey&#174; latching system now offers the convenience and security of GIVI hard cases in a more rugged style for the adventure touring rider. 33 liter top or side cases with aluminum finish - clam shell and top opening. Maximum load of 22 pounds each. Security lock.