High-quality materialsThe rear bike rack is made of aluminum alloy, which is weather-resistant and lightweight, sturdy and durable, and will not rust. Using the best lacquer technology, it protects the product from rust and ensures a new use. Stable and high-strengthThe bike rack supports a maximum of 10 kg, but it can withstand more weight, you can test it. The triangular structure makes the rack more stable, so you can safely place your bag on the rack without worrying about the rack deforming. You can carry your luggage bag every time you ride a bike.Ideal for carrying luggageStrong and durable aluminum alloy, it can support cargo up to 10 kg, allows you to easily carry your cargo such as panniers, backpacks, baskets, etc.Suitable for most mountain bikesThe shelf is adjustable. Of course, you can also adjust the length and height of the support bar, so you don't have to worry about the luggage rack not being suitable for your bike. Ideal for mountain bikes, racing bikes, mountain bikes, road bikes, etc.Easy installationAdjustable height and length mountain bike luggage rack; Suitable for 20-29" bikes; Hexagonal screws for fixing and installation keep the shelf stable and durable. With the quick release system, you can install and disassemble the luggage rack quickly and easily on the seat post.Features:1. The bike rack bracket with strong and sturdy aluminum alloy design is ideal for cycling enthusiasts for long-distance touring. The rack is lightweight and waterproof and the stainless steel screws are rust-resistant, you can use it in wet or damp conditions.2. The quick release design is easy to install and remove, which is very convenient for temporary use of bicycles and it can save your time.3. It can carry up to 10 lbs, perfect for carrying stuff during your travel, work traffic. (Cannot carry people)4. You can put your luggage on the shelf and you don't have to carry it on your back, which will lighten your load and will make your travel easier.5. The add-on design makes it suitable for different sizes of bikes, such as mountain bike, road bike, folding bike and etc.Simple Installation & Adjustable ShelfEasy to replace and install on the seat post of the bike rack. Easy to install with the included rubber pad and L wrench. Allows you to carry your cargo with ease and efficiency, perfect for use with panniers, backpacks, baskets, etc. Attached to the bike seat post, the adjustable mounting rod extends backward/forward according to your needs.High QualityThe bike rack is made of high-quality hard aluminum alloy, durable and sturdy, which can bear more weight and will not be easily damaged. And it is equipped with stainless steel screws, which can help you ride freely in rainy or humid environments and keep your bike drier and cleaner.Suitable for almost all bikesThis rear rack is perfect for a long cycling trip and excursions to cover enough necessities Suitable for most bikes, such as road bike, mountain bike, fat bike, etc. Shelf length 34cm/13.4in, width 12cm/4.7in, suitable for most bikes whose seat post caliber is less than 32mm/1.3in. The mounting bracket is suitable for seat tube diameters of 27.2-31.8mm/1.1-1.3in.