SHIMANO Ultegra Di2 Rear Derailleur RD R8150 12s

The SHIMANO Ultegra Di2 Rear Derailleur RD R8150 12s in Shadow Grey is an electronic rear derailleur designed for road bicycles. It is engineered to provide precise and reliable shifting performance as part of the SHIMANO Di2 12-speed drivetrain system. This component is suitable for cyclists seeking advanced electronic shifting and compatibility with modern road bike setups.

• Compatible with SHIMANO Di2 electronic shifting systems
• Designed for 12-speed road drivetrains
• Shadow RD design for a low profile and improved chain stability
• Supports synchronized and semi-synchronized shifting modes
• Constructed with lightweight aluminum and composite materials
• Direct mount compatibility for enhanced frame integration
• Shadow Grey finish for a modern appearance
• Integrated with E-TUBE Project for firmware updates and customization
• Maximum cassette capacity: up to 34T

This rear derailleur requires a compatible SHIMANO Di2 shifter and battery system for operation. Installation and adjustment should follow SHIMANO's technical guidelines for optimal performance.

Available Variants: