The Shimano RD-TX800 Rear Derailleur is a reliable and high-performance component designed for smooth and precise shifting on your bike. Weighing just 326 grams, this rear derailleur is lightweight yet durable, making it ideal for both casual riders and enthusiasts alike. The RD-TX800 features a long cage design, allowing for compatibility with a wide range of gearing options. Its advanced SIS index shifting technology ensures quick and accurate gear changes, enhancing your overall riding experience. With a maximum sprocket size of 34 teeth and a total capacity of 43 teeth, this derailleur is versatile and capable of handling various terrains. Upgrade your bike with the Shimano RD-TX800 Rear Derailleur for improved performance and reliability on your rides.