The Cinema Axle Nuts Pair 3/8″ Black is designed for performance and durability, featuring lightweight 7075-T6 aluminum construction. With a 17mm hex size, these axle nuts ensure easy installation and compatibility with 3/8 and 14mm axle sizes. Weighing only 2.2g, they provide a reliable solution for securing your wheels without adding unnecessary weight. Sold in pairs, they are perfect for enhancing your cycling experience.