The Shimano Ultegra RD-RX800-GS Rear Derailleur is a high-performance component designed for 11-speed setups. With its medium cage and clutch system, this derailleur effectively minimizes chain slap and ensures smooth shifting across a wide range of cassettes.

Ideal for serious cyclists, the RD-RX800-GS enhances your biking experience with reliable performance and durability. Whether you're tackling rough terrain or cruising on smooth roads, this derailleur adapts effortlessly, providing precise gear changes and reducing noise.

• Compatible with 11-speed cassettes
• Medium cage design
• Clutch mechanism to prevent chain slap
• Works with wider range cassettes like 11-42t
• Durable construction for long-lasting use