Shimano Dura-Ace Sprocket CS-R9200 12-Speed Cassette

Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range

• Faster, seamless shifts under maximum pedaling load
• Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation
• Compatible with new 12-speed (HG-Spline-L2) and road 11-speed (HG-11) freehub bodies
• 34t cassette is suited for pro-race usage
• Cassette Body Type: Shimano HG-Spline-L2
• Drivetrain Speeds: 12
• Range: choose; 11-28t, 11-30t, or 11-34t
• Weight: 223g. (11-30t); 253g. (11-34t)
• Color: Gray