This aluminum rear bike rack is easily installed on bicycles. It can carry various items with a maximum load capacity of 50kg. It securely holds your cargo. It also comes with a rubber band for peace of mind during long-distance travel or on rough roads. "Detachable and Freely Adjustable" It's easy and quick to secure to the seat post and rear frame. It easily attaches to the seat post with a quick-release lever. The rack part is movable, making it usable on various bicycles. The plate part is rust-resistant and can also serve as a mudguard. "Super Load-Bearing" Supporting at 3 points distributes the weight, making it possible to carry heavy loads. It's perfect for commuting and going to school. For long trips like cycling around Japan, it's recommended to purchase one with a load capacity of 10kg or more. "Wide Range of Application" Applicable to most types of bicycles, such as crossover bikes, mountain bikes, and folding bikes. Makes commuting, going to school, traveling, and transporting luggage easy.