Shimano Deore Di2 Drivetrain Upgrade KitShimano Deore M6250 Di2 delivers wireless electronic shifting to the everyday trail rider. Experience the same crisp, precise gear changes as high end drivetrains, now in a package that's more accessible. Stop worrying about clunky shifts and focus entirely on the ride. Whether you're tackling a steep climb, flowing through singletrack, or blasting down a technical descent, the M6250 provides quick, consistent performance every time. Backwards