PROS: β’ Material appears to be very high quality and durable β’ Excellent protection to keep the aero wheels clean and free from damage β’ Each of the 4 compartments are separated by 3 dividers to prevent falls to prevent above and below. rubbing tires together and damaging the plastic β’ Each spacer has velcro to attach to the side of the bag β’ There is a zipped compartment on the top of the bag for storing aero hubcaps β’ Centralized and easy accommodation of all 4 aero wheels in one accessible space β’ Carrying handles make it easy to carry or hang for compact storage CONS: β’ No