[Irregular Tooth Design] Featuring irregular teeth and concave-convex design to ensure smooth and fast shifts. These chainrings are made from , ensuring they can handle the demands of trail riding. [High Strength Durability] The drilled steel and thicker rings provide superior rigidity, lightweight performance, and durability. [Compatibility Easy To Setup] 64 mm/104 BCD chainrings fit all standard cranks with 4 bolt, 104 mm spiders. Compatible with 44-32-22T/9 speed, 42-32-24T/8,10 speed, and 38-26T/10 speed setups. Color: Black. Material: Steel. Package Contents: 1 x 22T Chainring, 1 x 32T Chainring, 1 x 44T Chainring. Only the above package content is included; other products are not included. Note: Light and display settings may cause slight color variations between the item and the image. Measurement error allowance is +/- 1-3 cm. Our products are made with high-quality materials and designed for reliable performance. We aim to ship all orders within three business days of purchase. Estimated delivery time is 8-15 days. Please check product dimensions carefully to ensure compatibility. Detailed product information, including features and specifications, is provided in the title and description. For any questions or concerns, please . Thank you for choosing our product.