1. Premium MaterialCrafted from highquality 7075 aluminum alloy with an anodized finish, these bike chainrings exceptional durability and resistance to corrosion. 2. Innovative NarrowWide Tooth DesignThe narrowwide tooth profile enhances chain retention, extends wear life, and reduces friction and noise. The wider tooth design delivers maximum endurance and drop performance for a smoother ride. 3. 104 BCD CompatibilityDesigned with a 104 BCD specification, these chainrings are suitable for 8, 9, 10, 11speed mountain, road, MTB, and BMX bikes. Versatile and easy to install, they help prevent chain drops—please verify your crankset's 104 BCD compatibility before purchase. 4. Smooth Aesthetic FinishFeaturing a sleek, polished surface with vibrant, faderesistant colors, these chainrings not only look great but are also easier to clean than traditional chainrings, enhancing your bike's overall appearance. 5. DesignAvailable in 32T, 34T, and 36T options, these chainrings are engineered for minimal weight—approximately 39.4g, 46.2g, and 57.4g respectively—without compromising strength or performance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.