The quick-release feature of this bicycle rear Seats rack allows for easy attachment and detachment, making it convenient for riders who need to switch between carrying loads and riding light. Its aluminum alloy construction provides a good balance of strength and weight, ensuring your bike remains agile and easy to handle. Features -Color:Black -Material:Aluminum Alloy -Size:53.00X14.00X5.00cm/20.83X5.50X1.97in -Aluminum alloy: this bike rack is made from aluminum alloy, offering a lightweight and portable solution for easy installation and removal -Integrated mudguard: the design includes a mudguard, making it easy to carry items like luggage and shopping bags, providing more freedom for your hands -Secure structure: the sturdy construction ensures the rack's stability, ensuring it does not affect your riding safety -Wide application: suitable for mountain bike rear seats, it can be used for daily shopping, travel, and various outdoor activities -Mechanism: the design allows for fast and easy installation without any tools, saving you time and effort Package list: 1 set Bike Carrier Rack ( 1pcs Back Seats, 1pcs Mudboard ,4pcs Bracket, 2pcs , 1pcs Rope ,1pcs Reflector ,3pcs Wrench ,6pcs Screw, 6pcs Bolt, 6pcs Gasket, 6pcs Rubber pad )