7-9 Speed Chain Ring The crank remains intact, allowing you to change the wide gear ratio. ■ For 5 arms; Quantity: 1 piece; Material: Aluminum; Color: Silver; PCD: 5.1 inches (130 mm); Number of Teeth: 52T. *The color of the product may look different from the actual product depending on the type of display. Please be aware that product specifications, logos, and other designs are subject to change due to improvements.