Features: Upgrade your cycling experience with this heavy duty aluminum rear rack, featuring a reinforced and 6kg load capacity for secure cargo transport during commutes, tours, or shopping trips. Built with thickened aluminum tubing and a triple clamp locking , this bike cargo rack ensures superior stability and fits most round seatposts via three adjustable collars. Designed for commuters, adventure cyclists, and practical riders needing extra storage space on road bikes, mountain bikes, or bicycles. Effortlessly carry groceries, camping gear, or travel while navigating city streets, tackling , or embarking on cycling expeditions. Its rust proof aluminum frame withstands rain and humidity, while integrated reflectors visibility during night rides, making it a safety conscious for use. Specifications: Product name: Round seat tube tail bag rear shelf : Aluminum alloy Load bearing: 6kg Size: See product size Applicable to: Round seat tube Weight: 683g Package Includes: A round seat tube tail pack rear shelf note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!