Shimano Dura-Ace CS-R9200 Cassette – 12-Speed 11-30t Gray. The uninterrupted shifting experience of the Shimano Dura-Ace R9200 12-speed cassette range lets you climb sprint and push your limits without stopping to think about your next gear change. 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 12-speed and road 11-speed freehub body

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