Adjustable Position The main frame and bracket are adjustable, especially suitable for 26''-29'' mountain bikes 110lbs Strong Load-bearing The rear bike rack can offer stability even riding on a bumpy road, perfect for your daily use, such as trips and commuting. Usage Scenarios Match with most panniers and trunk bags, bringing you a reliable and satisfying cycling experience. ?LARGE LOAD?? ROCKRBOS rear bike rack has strong load-bearing of 120lbs capacity. With a triangular reinforced structure, the bike cargo rack can offer the best stability even riding on a bumpy road, perfect for your daily use, such as trips and commuting. ?FULLY QUICK RELEASE??The bike rack for back of bike is designed with three full quick-release clips. Adjustable quick-release bike rear rack clamps for easier installation and removal. Two removable “W” shape side bars protect your luggage from scratching by the wheel or spokes. ?STURDY REAR RACK??The bike rear rack is made of high-quality aluminum alloy material that helps support your cargo efficiently and with ease. Three-point installation is more stable. Solid and durable, great for for carrying your equipment. ?EXTRA GIFTS??Elastic bungee cord can stretch around your cargo for extra security during riding on a rough road. The rear red Reflector increases visibility at night to ensure your cycling safety. ?NOTE??Suitable for most 26’’-29’’ mountain bikes, fit ROUND seat tube diameter under 3.2cm(1.26ines). DOES NOT fit soft-tailed bikes, carbon fiber bikes, folding bikes, small wheel bikes, rear suspension bikes, etc.