Description: This bike rack Shelves is made of durable aluminum alloy, for . 2 colors are available. Load-bearing 44.1 LB. Panel weighs 284g and accessories 80g. It can be used to carry packs and carry items. Surface anodized, resistant to heavy pressure, no problem for long distances. Compared with the original casting shelf, it has high strength, light weight good workmanship. Whole cnc cutting of aluminum plate. Support for CNC machining of solid aluminum rods, stronger than hollow aluminum tubes. Design with W-shaped bars to prevent pannier from hitting the tires,keeps your pannier safe. Quick release mount seat post and asy to install. The two sides of the lower end of the shelf extend out, not affect the caliper of the disc brake. Specification: Material: aluminum alloy Size(LxW×H):Approx. 33×22×14cm/13×8.7×5.5inch Package Includes: 1 Piece Bicycle Rear Rack Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.