?FULL QUICK RELEASE: (If you encounter installation problems, please contact us)Rear bike rack with adjustable clamps mounting on the seat post and bottom rod install or removal easily, come with tools. Any problem with installation, please check the front page video or send emails to us. ?SOLID & STURDY: The Bicycle cargo rack made of high quality strength aluminum alloy, lightweight but strong and sturdy enough for bearing up to 115 lbs. Perfect for carry some stuff on your trip,work commute, even carry the people in short time. ?Practical Details: Bike cargo rack design with W-shaped bars to prevent pannier bags from hitting the tires. The adjustable structure allows you adjust the rack lenth as you wanted and the telescopic rods can be stretched 3-15cm to fit your bike frames. ?EXTRA GIVEAWAY : Red rear reflector increases visibility for protecting your riding safety at night or on a rainy day. The elastic cord can surround your carrier bag for extra security while riding on the rough road. ?NOTE :Seat tubes diameter should be within 23mm, fit most of bikes like the 26"-29" mountain bike but not fit for rear suspension bike, flat tire bike, soft-tailed bike, carbon fiber bike, folding bike. Technical Details Color ?Black Brand ?ROCKBROS Material ?Aluminum Item Weight ?1.25 Kilograms Mounting Type ?Rear Seat Mount Load Capacity ?115 pound Orientation ?Rear Wheel Size ?29 Inches Manufacturer ?ROCKBROS Item Package Dimensions L x W x H ?23 x 9 x 5 inches Package Weight ?1.81 Kilograms Brand Name ?ROCKBROS Suggested Users ?unisex-adult Part Number ?HJ1009 Sport Type ?Cycling