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.
- Low-Profile Shadow RD Design
- Largest Cog Size: 30T
- Minimum Cog Size: 11T
- Maximum Chainring Difference: 16T
- Total Capacity: 35T
Comparing bottom bracket types and standards.
You wanna go fast? Join the ceramic revolution!
Make your upgrades count. Here's the equipment that will help you ride your bike faster.
Campagnolo vs. Shimano vs. SRAM: demystifying groupsets.
What to consider when selecting a crankset for your road bike.