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Shimano
Dura-Ace RD-R9100 Rear Derailleur

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Out of the shadows.

Shimano's RD-R9100 Dura Ace Rear Derailleur incorporates the Shadow design that made its debut on their mountain bike drivetrains. This low-profile construction better tucks the derailleur body beneath the cassette for more stable shifts, quicker wheel changes, and less exposure to possible damage in a crash. It also keeps a consistent distance between the upper pulley and the cogs across the entire gear range for more precise and reliable shifts on wide range cassettes.

Compatible with Shimano 11-speed road drivetrains.


Details:

  • Low-Profile Shadow RD Design
  • Largest Cog Size: 30T
  • Minimum Cog Size: 11T
  • Maximum Chainring Difference: 16T
  • Total Capacity: 35T
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