Disc brake aluminum bicycle rear shelf.Suitable for mountain bikes, road bikes and folding bikes.Easy to install and use.Adjustable height can fit for the height of the disc brake.Made of high-quality aluminum alloy, it is durable and strong.Awesome bicycle accessories.Installation location: the pillar below the bicycle (the bicycle itself has holes for installation)One set of Bicycle shelf only, other accessories demo in the picture is not included Specification:Type: Bicycle shelfColour:blackMaterial:Aluminum alloyPackage Contents:1 * Bicycle Rear Cargo RackOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.