The Shimano PD-ED500 SPD Clipless Road Bike Pedals in black are brand new and made of a combination of aluminum, steel, alloy, and chromoly. With a pedal axle size of 9/16 inches, these pedals are designed specifically for road bikes and weigh only 1 pound. The cleats on these pedals are compatible with Shimano brand bikes, making them a reliable and high-quality choice for cyclists looking to upgrade their biking equipment.