Features: SIMPLE TO INSTALL: Adjustable clamps mounting on the seatpost intalled or removed easily, which can fit most of bikes, such as the mountain bike, road bike, but not fit for rear suspension bike, flat tire bike, carbon fiber bike,soft-tailed bike, folding bike. PROTECTION: Rear Red Reflector increase visibility on the night cycling to ensure your night cycling safety. Elastic bungee cord can stretch around your for carrier bag or gears for extra security while riding on rougher road. PREMIUM: Bicycle cargo rack was made with strong and premium aluminum alloy material, coupled with stainless steel screws to help you ride freely in rainy days or humid conditions. FUNCTIONAL: Great loading system can support up to 110lbs, 4 strong legs make it carry more weight, excellent for carrying some stuffs on your trip, work commute. GOOD SERVICE：Contact us if you have questions，we will try our best to serve for you. Specifications: Material: aluminum alloy Size: 45x18x8cm Package Includes: 1 Pcs Bicycle Rear Rack. note: Please allow 0-1cm error due to manual measurement. 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!