Shimano Shimano Ultegra RD-R8150 Di2 12-Speed Rear Derailleur

Information

The Shimano Ultegra RD-R8150 Di2 Rear Derailleur is designed for smooth and accurate electronic shifting, offering a 58% faster response compared to previous models. Featuring wireless connectivity through Bluetooth and ANT+, it allows seamless integration with Shimano's E-Tube software and apps. This derailleur supports 12-speed cassettes up to 34T, ideal for tackling steep climbs with ease.

• Supports 12-speed Di2 electronic shifting
• Compatible with cassettes up to 34T
• Wireless connectivity via Bluetooth and ANT+ for easy setup and diagnostics
• Integrated charging port and LED status indicator
• Shadow RD+ low-profile design for better protection