Our bike luggage bracket is solid and we will sent a set of small components for you, which make our bike luggage bracket easily to install, and it has long life span.If you want to travel with your lover by bike, we recommend this bike luggage bracket for you, it will make your lover sit it comfortably, and also can load many items without stress, because of it sturdy and adjustable characteristic.This bike luggage bracket is made of aluminum alloy.The length of this bike luggage bracket is 55cm, the width is 14.5cm, and the height is 5cm.It is suitable for many types of bicycles with a seat tube diameter of less than 33mm.Item Name: Bike Rear BracketMaterial: Aluminum AlloyColor: BlackFeatures: Quick Release Design, Wear-resistant, AdjustableSize Details: 55cm x 14.5cm x 5cm/21.65" x 5.71" x 1.97" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Rear Shelf6 x Screws6 x Nuts6 x Fillers 4 x Small Gaskets2 x Large Gaskets4 x Rubber Pads2 x Removable Flanks2 x Sliding Rods1 x Telescopic Support Frame