- Irregular Tooth Design: Engineered with an irregular tooth and concave-convex configuration, these chainrings ensure smooth and rapid gear shifts. Constructed from high-quality materials, they are built to withstand the rigors of challenging trails. - High Strength & Durability: Made from drilled steel and thicker 6061-T6 CNC aluminum alloy, these chainrings deliver exceptional rigidity while remaining lightweight. Choose from various configurations: 44-32-22T (Steel), 42-32-24T (Steel), 42-32-24T (42T Aluminum Alloy), and 38-26T (Steel/Nylon). - Compatibility & Easy Setup: Designed with a 64 mm BCD, these chainrings fit standard cranks with 4 bolt, 104 mm spiders. They accommodate various speed setups: 9-speed for 44-32-22T, and 8/10-speed for the 42-32-24T and 38-26T. - Four Types Available: Available in four configurations—44-32-22T, 42-32-24T, AL42-32-24T (with 42T aluminum alloy), and 38-26T—these options cater to diverse riding preferences and requirements. - Practical Applications: Ideal for mountain biking enthusiasts looking to upgrade their drivetrain. These chainrings are suitable for both competitive races and casual trail rides, ensuring reliable performance and improved shifting efficiency. Whether tackling steep climbs or navigating technical descents, you can count on these chainrings for consistent power delivery and longevity.