Upgrade your drivetrain with the Shimano Deore Di2 M6250 Complete Upgrade Kit, bringing precision, durability, and trail-ready tech to your ride at a more approachable price. Anchored by the M6250 long-cage rear derailleur and M6200 cassette, this 12-Speed system delivers fast, reliable wireless Di2 shifting and a wide 10–51T gear range with built-in Automatic Impact Recovery and enhanced ground clearance. The included M6250 Di2 shifter offers a customizable feel and fit, with multi-shift modes, a programmable third button, and satisfying tactile response, all designed to integrate seamlessly with your cockpit via I-SPEC EV or clamp band. Powering the system is Shimano’s compact BT-DN320 battery, tucked safely inside the derailleur for protection and easy removal, and topped off with the EC-EN100 charger to keep you fully juiced for long days on the trail. Whether you’re upgrading from mechanical or stepping into Di2 for the first time, this kit has everything you need for a smoother, smarter ride. What's Included: RD-M6250 Di2 Rear Derailleur – 12-speed long cage with Shadow ES design and automatic recovery SW-M6250-R/IR Di2 Shifter – Wireless Di2 shifting with multi-mode customization and ergonomic adjustability CS-M6200 10–51t Cassette – Wide-range 12-speed cassette with Hyperglide+ for smooth, fast shifting under load CN-M6100 12-Speed Chain – Durable chain with enhanced retention and quick-link installation. Includes two quick links BT-DN320 Di2 Battery – Compact, removable battery powers your Di2 drivetrain for up to 340 km per charge EC-EN100 Di2 Charger – Slim, easy-to-use charger designed specifically for the Di2 battery Why Choose the Deore Di2 M6250 Complete Upgrade Kit? Experience next-level performance on the trail with this fully wireless drivetrain upgrade, featuring advanced shifting technology and race-proven efficiency. The Deore M6250 kit delivers precise, intelligent shifting with customizable settings through Shimano’s E-Tube app, while its durable components are engineered to ride harder, shift smoother, and go faster. Derailleur Cassette Shifter Chain Works With Derailleur Model: M6250 Model ID: RD-M6250-SGS (Long Cage) Shift Technology: Wireless Communication Protocol: Di2 Max Tooth: 51t Drive Config: 1x Weight: TBD Cassette Model: Deore M6200 Model ID: CS-M6200-12 Rear Speeds: 12-speed Range: 510% Cog Sizes: 10-12-14-16-18-21-24-28-33-39-45-51t Freehub Interface: Micro Spline Technology: Hyperglide+ Material: Aluminum, Steel Drive Config: 1x Shifter Model: M6250 Model ID: SW-M6250-R/IR Shifter Type: Wireless Clamp: 22.2mm bar clamp, I-SPEC EV Chain Model: Deore M6100 Model ID: CN-M6100 Type: HG Rear Speeds: 12 # of links: 126 Weight: 252g Works With The Shimano Deore Di2 M6250 Complete Upgrade Kit is 100% backwards compatible with your current Shimano 12-Speed cassette, crankset/chainring, and chain. Compatible models include: XTR M9100 and M9200, Deore XT M8100, M8200, SLX M7100, and Deore M6100, M6200 and M7200. This kit will attach to modern framesets via a derailleur hanger, including the Universal Derailleur Hanger (UDH). Long cage derailleurs are compatible with 51t cassettes.
