- Compatible with most 110/130 BCD cranksets. Ensure the specifications match your crank and tooth count before purchasing. - Made from durable aluminum alloy, this narrow-wide chainring features a unique design that alternates positive and negative teeth to prevent chain drop, providing reliable strength during rides. - Available sizes: 110/130 BCD with options of 36T, 38T, 40T, 42T, 44T, 46T, 48T, 50T, 52T, 54T, 56T, 58T, and 60T. - Engineered tooth thickness ensures seamless interaction with inner and outer chain links, significantly reducing friction and noise while enhancing your biking experience. Use scenarios: 1. Ideal for mountain biking, where rough terrain can lead to chain drop issues—this chainring maintains chain stability even on challenging trails. 2. Perfect for competitive cycling, offering a lightweight yet strong solution for high-performance needs without sacrificing durability. 3. Suitable for city commuting, ensuring a smooth and quiet ride on urban roads.