High-quality aluminum alloy bike cargo rack has a strong carrying capacity, suitable for long-distance mountain road cycling and daily use. It can meet most of your cycling needs. The cargo rack that can match with most panniers, trunk bags, brings you a reliable and satisfying cycling experience. Pack up your baggage and equipment and you can start at once. Adjust Shift Cables Shift cable is above seat stay: The shift cable goes through inside. The gasket can not clamp cable tightly, a little loose. Shift cable is below seat stay: The shift cable goes through outside. There may be some friction with the rod but will not affect adjusting speed. Quick Release Clamp The bike cargo rack are equipped with a quick release clip, which can be easily removed and installed. Stable Structure Multiple nuts provides good structural stability, effectively prevent the cargo rack from shaking due to bumpiness. Solid Aluminum Alloy The bike carrier rack has a very strong carrying capacity, perfect for long distance road bike touring. Seat Stay Length ? 3cm/1.18'' Seat stay length should be less than 3cm/1.18ines. Seat Stay Width? 2cm/0.79'' Seat stay width should be less than 2cm/0.79 ines. Seat Post Diameter? 3.2cm/1.26'' Seat post diameter should be less than 3.2cm/1.26ines. If it's too thin, add a gasket. Washers for Protecting Frame The bike cargo rack is equipped with gaskets to protect the bicycle frame. High Quality Aluminum Alloy: ROCK BROS bike cargo rack is made of high strength aluminum alloy material with stainless steel screws, helps you ride freely in rainy days or bad weather. The rear bike rack has strong load-bearing of MOST 165lb capacity, suitable for daily use and long distance cycling. Universal Cargo Rack: Mainly suitable for most mountain bikes, fits ROUND seat tube diameter under 3.2cm(1.26ines). NOTE:DOES NOT fit soft-tailed bike, carbon fiber bike, foldable bike, small wheel bicycle, rear suspension bike, etc. Easy To Install: Adjustable quick release bike rear rack clamp for installation and remove simply, with tools, installation instructions and video, you can install the bike luggage cargo rack easily. Firm&Durable: Three-point fixation is more stable, adjustable support rod for easy length adjustment, allows you adjust the rod length to fit your mountain bike frame, perfect as a bike luggage rack and for carrying equipment on your travel and commuting. Side Protection: Two “W” shape side bars protect your luggage from scratching by the wheel or spokes. With elastic cords and red rear reflective lamp, the bike back rack provides extra security while riding. Color ?Black Brand ?ROCKBROS Material ?Aluminum Mounting Type ?Rear Seat Mount Load Capacity ?165 pound Orientation ?Rear Manufacturer ?ROCK BROS Item Package Dimensions L x W x H ?22.2 x 7.05 x 4.49 inches Package Weight ?1.45 Kilograms Brand Name ?ROCKBROS Warranty Description ?1 Year Number of Items ?1 Part Number ?HJ1007 Sport Type ?Cycling