Looking to improve the performance of your bike? Upgrade with this Shimano upgrade kit that includes: XT M8250 Di2 Drivetrain Upgrade, SW-M8250 I-Spec EV, BT-DN320 battery, EC-DN100 charger, SM-CN910 chain link and SGS mech, all combining to give you the ultimate in shifting performance and durability.

Features: 

• XT wireless drive train upgrade
• XT Shadow ES 12-speed wireless rear derailleur for the ultimate in shifting performance and durability
• The integrated removable on-board battery is protected within the linkage
• Crash recovery function, absorbs impacts and returns to its original position
• Connectivity BLE, ANT private
• Shadow ES features a super low profile skid plate design and optimized slant angle for optimal clearance
• Shadow ES uses a dual spring chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting
• The Shadow ES system is also zero maintenance and has no degradation of performance
• Unique structure using two springs has a tighter chain wrap that improves shifting and security with increased spring force by 70%, allowing the chain to mesh firmly with the sprocket
• With the tighter chain wrap skipping is prevented even as the cogs wear
• Shifting can now happen as quickly and effortlessly as possible thanks to ergonomic 4-way multi adjustable short stroke paddles
• With four way adjustments, the switch lever position can be adjusted to suit various hand sizes and operation preference
• Hold multi shift function
• Rubber traction pad for added grip prevents mis-shifts
• Shifter is completely customizable, using E-tube software you can programme the shifting to your preference
• 3rd button for multi function, trim adjust, auto shift mode change, D-fly input etc
• I-SPEC EV mount
• Coin cell battery
• 10-51 tooth compatible SGS cage
• Kit contains Rear mech, shifter switch, BT-DN320 battery, EC-DN100 charger, SM-CN910 chain link