This set of 500 loose bicycle bearing balls is a must-have for any bike enthusiast. The balls come in assorted sizes of 1/8", 5/32", 3/16", 7/32", and 1/4" and are made of high-quality alloy steel with a G25 level of precision. They are coated with anti-rust oil on the surface for added durability. Each package contains 100 balls in each size and comes in a plastic bag for easy storage. These balls are perfect for replacing worn-out or damaged bearings in any bike and can also be used for other mechanical purposes. Order yours today and keep your bike running smoothly!