- Irregular Tooth Design: The unique irregular tooth and concave-convex design enable smooth and rapid shifting, ensuring optimal performance on demanding trails. Constructed from robust materials, these chainrings withstand the rigors of off-road riding. - High Strength & Durability: Crafted from drilled steel and thicker 6061-T6 CNC aluminum alloy, these rings deliver exceptional rigidity while remaining lightweight. Options include: - 44-32-22T: Steel - 42-32-24T: Steel - 42-32-24T: Steel / 42T: Aluminum Alloy - 38-26T: Steel/Nylon - Compatibility & Easy Setup: Designed with a 64 mm/104 BCD to fit all standard cranks featuring 4-bolt, 104 mm spiders. Compatible with various speeds: - 44-32-22T: 9-speed - 42-32-24T: 8 and 10-speed - 38-26T: 10-speed - Four Types Available: Choose from four configurations to suit your riding style: - 44-32-22T - 42-32-24T - AL42-32-24T (42T is aluminum alloy) - 38-26T Use Scenarios: 1. Perfect for mountain biking enthusiasts tackling steep climbs and technical descents, offering reliable shifting and enhanced control. 2. Ideal for bike upgrades, allowing compatibility with various cranksets for improved performance. 3. Suitable for both casual riders and competitive cyclists seeking durability and strength in challenging terrains.