The Shimano CS-HG31 8-Speed Cassette is built for smooth, reliable shifting with a gear range of 11-34T (11-13-15-17-20-23-26-34). Compatible with IG/HG chains, it delivers consistent performance for both casual and serious riders. The zinc phosphate finish ensures durability and corrosion resistance, while the enlarged sprocket window design helps reduce weight without sacrificing strength. This cassette is an excellent choice for riders seeking a high-quality, durable option for 8-speed setups. For compatibility, be sure to refer to the included documents and links to select the right product for your bike or ask us!