Allen Sports 1530RR is a bike rack designed for Class III/IV 2" or Class III 1 1/4" receiver hitches. It can accommodate up to 4 bikes with a maximum weight of 140 lbs. The rack features a unique design that allows for easy loading and unloading of bikes, even with women's style frames. It also includes individual tie-down straps to ensure that your bikes are securely fastened during transport.