- Size Compatibility: 110/130 BCD; Available Tooth Counts: 36T, 38T, 40T, 42T, 44T, 46T, 48T, 50T, 52T, 54T, 56T, 58T, 60T. - Durable Construction: Crafted from high-quality aluminum alloy, these narrow-wide chainrings feature a unique design that prevents the chain from dropping during use, ensuring reliable performance under strong forces. - Enhanced Tooth Design: The precision-engineered tooth thickness seamlessly integrates with both inner and outer chain links, optimizing your cycling experience by minimizing friction and noise. - Safe and Efficient: The integrated machining provides exceptional strength, making these chainrings suitable for both casual rides and intense cycling sessions. The advanced support structure, featuring plus and minus tooth shapes, enhances chain engagement for improved functionality. Use Scenarios: 1. Ideal for mountain biking, where rough terrains require stable chain retention and reliable power transfer. 2. Perfect for road cycling, offering smooth gear transitions and reduced noise for a more enjoyable ride. 3. Excellent for commuting, ensuring a dependable performance that withstands daily wear and tear. Upgrade your cycling experience with our precision-engineered narrow-wide chainrings, designed for compatibility, durability, and peak performance on every ride.