The Shimano Tiagra 4500 series features a reliable and durable 39-42 tooth chainring for optimal performance on your road bike. Made with high-quality materials, this chainring is designed to withstand the rigors of regular use, ensuring smooth shifting and efficient power transfer. The tooth profiles are optimized for precise and smooth shifting, while the ramps and pins help guide the chain onto the next gear. The 39-42 tooth chainring combination provides a versatile range of gearing options for all types of terrain, making it perfect for both recreational and competitive riders. Upgrade your road bike with the Shimano Tiagra 4500 39-42T Chainring for improved performance and an enhanced riding experience.