Crafted from premium 7075 T6 heat-treated aluminum, these chainrings offer superior durability and performance. The teeth are meticulously cut on a lathe for optimal tooth form, surpassing the quality of pressed alternatives. Designed for 110mm PCD, these outer chainrings are compatible with 8, 9, and 10-speed systems and feature a 5-arm design. They are suitable for use with 11-speed systems when paired with an 11-speed outer chainring. Spacing: 110mm PCD. Compatibility: Inner Double. Arm/Speed: 5-Arm 8x/9x/10x. Material: 7075 T6.