- Size: 110/130 BCD; Available Splines: 36T, 38T, 40T, 42T, 44T, 46T, 48T, 50T, 52T, 54T, 56T, 58T, 60T. - Constructed from durable aluminum alloy, our narrow wide chainrings feature both positive and negative designs to effectively prevent chain drop, ensuring reliable performance during your rides. - Precision-engineered tooth thickness allows for seamless interaction with both inner and outer chain links, significantly reducing friction and noise for a smoother cycling experience. - The integrated design enhances strength and stability, making these chainrings ideal for time trials and competitive cycling. The unique tooth formation supports optimal chain function, improving overall efficiency. Applications: - Perfect for road cyclists looking to improve shifting performance while minimizing the risk of chain drop during high-intensity rides. - Ideal for mountain biking, where rough terrain demands reliable chain retention and durability. - Suitable for triathletes seeking a lightweight, efficient chainring that optimizes power transfer and minimizes energy loss during races.