The latest generation of Shimano’s patented and proven HyperGlide cassettes provide dependable shifting with reduced weight. Shimano developed Dyna-Sys 10-speed technology with the goal of increasing rider efficiency.
• Refined tooth profile for HG-X chains and Shadow rear derailleurs
• 10 speed specific shift geometry
• Aluminum spider carries 3 rings to increase stiffness and reduces weight at the same time
• Drilled out rings help reduce weight even more
• Alloy lockring
• 345 grams (11-34)