The Story
The Shimano Ultegra RX Di2 RD-RX805 Rear Derailleur is a technological marvel designed to elevate the performance of road and gravel bikes. Specifically engineered for 11-speed drivetrains, this long cage rear derailleur integrates seamlessly with Shimano's Di2 electronic shifting system. Noteworthy for its clutch mechanism, the Ultegra RX Di2 RD-RX805 significantly reduces chain slap and improves chain retention, enhancing stability on rough terrain, a crucial feature for gravel riding. The Shadow RD+ design ensures a low-profile and sleek appearance, contributing to improved aerodynamics. The long cage accommodates a wider range of cassette options, making it versatile for various riding conditions. Known for its precision and reliability, the Ultegra RX Di2 RD-RX805 is a popular choice among cyclists seeking top-tier electronic shifting technology, advanced chain management, and dependable performance on both road and gravel adventures.