Introducing the Shimano RD-RX820 GRX Rear Derailleur, a high-performance component designed for precision shifting in demanding cycling conditions. Weighing in at a lightweight yet durable construction, this rear derailleur is ideal for 12-speed setups. The top-normal design ensures smooth and reliable gear changes, while the Shadow Plus technology reduces chain slap and maintains chain tension for a quieter ride. The direct attachment feature provides a secure connection to your bike frame, enhancing overall stability and efficiency. Included with the derailleur are the OT-RS900 (black) 240mm x1 and long nose cap x1 for added convenience. Elevate your cycling experience with the Shimano RD-RX820 GRX Rear Derailleur, a top-of-the-line choice for avid cyclists seeking optimal performance and reliability.