Aluminum Alloy Rear Shelf Rack Bike Rack Loading Frame PackSpecification:Material: aluminum alloySize: 37*13.8cm(Shelf only), 27cm heightColor: blackWeight: 970gFeatures:100% brand new and high qualitysuitable for sitting rods diameter below 31MM within 20-25kg bearingAluminum alloy, with a quick release buckle fixed, removing without toolsShelves on both sides with a fence. Items can be prevented with the friction between the wheel. also can be fixed the items betterPackage Included:1 x Guardrail Shelf