【Product specifications】Shelf for back of bike length 21.65 inches, Width 5.7 inches; Panel Length 13.98 inches; Width 5.7 inches (Seat Tube Diameter: 0.85-1.3"/2.2-3.3 cm) adjustable for kinds of bikes. It is perfect for use with panniers, backpacks, baskets, and more!
【High-quality materials】Design with high quality aluminum alloy and quick release. Fits V-brake and Disc brake bike; For fat bike, road bike, mountain bike, etc. (Kids' bike and Trek Verve can not be used)
【Adjustable Quick Release Clamp Design】Fits ROUND Seat Tube Diameter of 0.85 - 1.3 inches and includes Spacers/Shims (May not fit large oblong tube frames)
【Safety】Red rear reflector increase visibility on the night cycling to ensure your night cycling safety.
【Easy installation】Frame Mounted for Heavier Top and Side Loads of up to 55 lbs. Perfect for panniers and other bags. Included Elastic Cord Helps to Hold Gear