The Shimano XTR M9250 Di2 Upgrade Kit offers a seamless, wireless electronic shifting experience designed to elevate your ride with precision and speed. This comprehensive kit lets you upgrade your cable XTR drivetrain to Di2, enhancing your shifting performance with cutting-edge technology.Key Features and Benefits:SW-M9250 Di2 Shifter: The compact, wireless right-hand shifter provides instant, customisable shifting. This enables intuitive control on both XC races and challenging trails, improving overall efficiency and ride quality.BT-DN320 Internal Di2 Battery: The latest-generation battery delivers longer life and higher capacity for extended rides. You can spend more time on the trail and less time recharging, ensuring reliability throughout your journey.EC-DN100 Charging Kit: Ensures a fast and safe charging process for the Di2 system. This efficient kit keeps your system powered up with minimal downtime, helping you stay focused on your ride.SM-CN910 Chain Quick Link: Makes chain maintenance a breeze. The reusable quick link simplifies chain fitting and removal, offering strength and smooth shifting performance with minimal hassle.RD-M9250 Di2 Rear Derailleur: Fast, quiet, and precise. The new rear derailleur is built for tough conditions, supporting 12-speed mountain cassettes while providing consistent shifting under demanding circumstances.Compatibility with Existing XTR 12-speed Drivetrains: This upgrade kit integrates effortlessly with your current 12-speed XTR drivetrain, providing an easy and efficient transition to Di2 for improved performance.This Di2 upgrade kit is the perfect solution for riders seeking unparalleled performance and precision. Seamless wireless shifting technology ensures that you experience smooth, instant gear changes in any environment, from competitive races to technical trails. It s designed for cyclists who demand accuracy and reliability on every ride.Upgrade your shifting system with Shimano s cutting-edge Di2 technology, and experience smooth, wireless performance like never before.Kit Includes: SW-M9250 shifterBT-DN320 batteryEC-DN100 chargerSM-CN910 chainM9250 Derailleur