Key elements: Sturdy enough to hold at least 25 pounds per side Mount be lockable & re / un mountable within 10 mins with one tool Use materials that are readily available in north america from Home depot or metal supply store. would prefer not to weld or drill into but mount via two nuts or mountable brackets. Incorporating this holding unit This barrel like in the picture a 35 litre poly barrel. standardized milk crate 12 x 12 x12 In the past i used 1/2 ready rod which i enjoyed as it was easy to work with, i would like to step it up a notch with the is bike but would default to that in case some thing can not be made up. The barrel in the last picture is 1/3 bigger than the ones i would like to use & they would ideally be on both sides & highest part would be at level with the seat. The use of the foot peg brackets is also available More pictures/ details to come with details on the back frame to be mounted to. Desired Skills: 3d Modelling Autodesk Inventor AutoCAD Google SketchUp Pro CAD/AutoCAD Keywords: CAD