Shimano XTR Di2 Drivetrain Upgrade Kit – M9250-SGS
Wireless. Precise. Uncompromising.

Welcome to the future of MTB drivetrain performance. The Shimano XTR Di2 M9250-SGS Upgrade Kit brings race-proven reliability and cutting-edge wireless shifting to your trail or XC build. Precision-tuned for elite performance, this Di2 setup features class-leading durability, intuitive ergonomics, and full customization through Shimano’s E-TUBE app. From elite cross-country to aggressive enduro, this system gives you a clean cockpit, flawless shifting, and smarter tech that adapts to the trail.

Kit Includes:

• Shimano XTR RD-M9250-SGS Di2 Wireless Rear Derailleur (10-51T cassette compatible)

• Shimano XTR SW-M9250-IR Wireless Di2 Shift Switch

Rear Derailleur – XTR RD-M9250-SGS Di2

The rear derailleur is the nerve center of the Di2 system—combining battery, wireless unit, and shifting mechanism into one ultra-robust unit. Built with SHADOW ES technology, the low-profile wedge shape slides past trail obstacles with ease, while automatic impact recovery resets the derailleur after hits. Internal battery housing, chain stabilizing technology, and wide-link design further enhance strength and resilience on race day or rugged trail rides.

Key Features:

• SHADOW ES low-profile design minimizes impact and rock strikes
• Automatic impact recovery restores derailleur position after trail hits
• Dual-spring chain stabilizer for optimal chain wrap and retention
• Durable wide-link construction with carbon outer plate
• Internal sealed battery for clean looks and protection
• Long cage (SGS) design compatible with 10-51T 12-speed cassettes
• Easy removal for charging or replacement

Shift Switch – XTR SW-M9250-IR Di2

Small, smart, and fast—the Di2 wireless shifter offers tactile, lightning-fast control with fully programmable shift modes. With multi-axis adjustability and a comfortable paddle shape, the XTR shift switch ensures confident, one-touch shifting even on rugged terrain. Customizable via E-TUBE, you can tailor it to your exact riding preferences, including activating Free Shift or Auto Shift modes, or even controlling accessories like your bike computer.

Key Features:

• Wireless RAPID ES shifting for smooth, lag-free gear changes
• Multiple shift modes (multi-shift, double-click, single shift lockout)
• Four-way paddle position adjustment for personalized ergonomics
• Programmable third button for Free Shift, Auto Shift, or device control
• Tactile click feedback for confident shifting feel
• Ultra-clean handlebar setup with discreet cable-free design

This is Shimano’s most advanced MTB drivetrain yet—lighter, tougher, faster, and smarter. If you're building your dream bike or taking your race rig to the next level, the XTR Di2 M9250 Upgrade Kit delivers nothing less than next-gen wireless control.