Shimano's Ultegra 11-Speed Cassette delivers pro-level shifting and durability. The computer-designed tooth shapes and tough cogs mean you can shift quickly, precisely and smoothly even under pressure.

• High-performance gear combinations provide superior rider choice
• Chain Compatibility: HG-EV 11-speed/HG-X11
• Lockring Material: Aluminum
• Fits HG 11 speed cassette bodies
• Color: Gray
• Grams: 251
• Model: CS-8000
• Series: Ultegra
• Speeds: 11
• Teeth: 11-28