The Shimano Ultegra ST-R8050 Di2 Dual Control Lever for rim brakes is a high-performance component designed for road cyclists who value precision and reliability. Featuring Shimano's advanced Di2 electronic shifting technology, this dual control lever offers effortless and instantaneous gear changes with the simple push of a button, ensuring smooth transitions even under load. The ergonomic design provides a comfortable grip and easy access to both shifting and braking functions, enhancing overall control and rider confidence. Compatible with rim brake wheelsets, the Ultegra ST-R8050 lever delivers consistent braking performance with a lightweight and durable construction, making it an ideal choice for competitive cyclists and enthusiasts seeking to elevate their riding experience with cutting-edge technology.