Shimano Ultegra Di2 Shadow E-tube Dm Rear Derailleur. Experience lightning-fast, precise 12-speed shifting with the SHIMANO Ultegra Di2 RD-R8150 rear derailleur. Engineered with SHIMANO Shadow RD design for a sleek, protected profile, it integrates wireless communication, charging, and system controls. Its single-cage design offers impressive versatility, handling cassettes up to 34T. Enjoy instantaneous gear changes, a refined aesthetic, and intuitive LED status indicators, making it the ultimate upgrade for competitive cyclists. SHIMANO Ultegra Di2 RD-R8150 12-Speed Shadow Rear DerailleurExperience a paradigm shift in road cycling performance with the SHIMANO Ultegra Di2 RD-R8150 12-Speed Rear Derailleur. Engineered as the central nervous system of your drivetrain, this component elevates your ride by delivering the fastest, most precise, and reliable shifting you´ve ever felt. It is the definitive choice for competitive road cyclists and serious enthusiasts who demand flawless gear changes in every situation, from explosive sprints to grueling climbs.With our fastest, most accurate shifting, the new 12-speed Ultegra R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets. This single-cage design simplifies your choice and ensures you´re prepared for any route, whether it's a flat-out criterium or an alpine adventure, without ever needing to swap components.Unrivaled Shifting Speed and PrecisionAt the heart of the Ultegra R8150 is a high-performance motor and optimized gear-train that delivers SHIMANO´s fastest-ever rear shifting—an incredible 58% faster than the legendary Dura-Ace RD-R9150. This leap in speed translates to instantaneous, smooth, and shockless gear changes under any load, allowing you to maintain your cadence and power without interruption.Sleek, Integrated, and Intelligent DesignThe RD-R8150 boasts a clean and compact aesthetic thanks to the acclaimed SHIMANO Shadow RD design. This low-profile construction tucks the derailleur neatly under the cassette, protecting it from damage and improving aerodynamics. This compact form factor cleverly integrates the brain of the system: the wireless signal receiver for communication with the shifters, a direct-access charging port, and the main system switch, all into one streamlined unit. An intuitive LED status indicator provides immediate, at-a-glance feedback on battery level, pairing status, and current adjustment mode.Key Features:* Fastest Ever Rear Shifting: A stunning 58% faster than the previous generation RD-R9150 for immediate and decisive gear changes.* Compact All-in-One Design: Includes an integrated wireless unit for receiving shift signals, a direct charging port, and a system function switch.* SHIMANO Shadow RD Profile: Low-profile design offers a sleek look, improved aerodynamics, and enhanced protection from impacts.* LED Status Indicator: Provides clear visual information for battery level, shifter pairing, and adjustment modes.* Wider Range Capacity: The single cage design offers exceptional versatility, accommodating wide-range cassettes.* E-Tube Compatibility: Ensures seamless communication and customization within the SHIMANO Di2 ecosystem.Technical Specifications:* Model: RD-R8150* Discipline: Road Cycling* Speeds: 12-speed* Cage Length: Long (Single specification)* Mounting: Direct Mount compatible* Low Sprocket (Max): 34T* Low Sprocket (Min): 28T* Top Sprocket (Max): 11T* Top Sprocket (Min): 11T* Total Capacity: 39T* Technology: Di2, E-Tube, SHIMANO Shadow RD. tradeinn Bikeinn
AmazonDécalage 12 V ULTEGRA DI2 RDR8150 Item weight: 510.0 g Model Number: IRDR8150F
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