While pulling power from the bike’s main battery via E-Tube cable port, the cable delivers a stable power supply and connectivity with the drive unit, eliminating the need to carry a separate back-up battery specifically for the rear derailleur. The RD-M6260 paired with the 10-51T cassette delivers the range and features that all riders can appreciate. Key Features:Direct Wired: RD-M6260 pulls power from your existing e-bike battery to deliver a constant supply of shifts. Robust Design: A wide link structure, skid-plate design, durable aluminum plate and solid pulley add robustness and longevity. RD Protection Function: The new Automatic Impact Recovery function instantly returns the derailleur to its original position after impact. SHIMANO SHADOW ES: A slimmer, stronger evolution of Shimano’s pioneering chain-stabilizing SHADOW RD+ concept.  Fast Shifting and Robust Design: Durable DEORE XT derailleur paired with the HYPERGLIDE + cassette delivers fast and precise shifting underload experiences available. E-Bike Technology: Intelligent AUTO SHIFT sensors and HYPERGLIDE+ technology provide smooth, quick gear changes while you pedal so you are always in the right gear. AUTO SHIFT E-Bike Technology: Intelligent AUTO SHIFT sensors and HYPERGLIDE + technology provide smooth, quick gear changes while you pedal so you are always in the right gear. FREE SHIFT E-Bike Technology: Keep your speed and shift whenever. FREE SHIFT technology allows you to shift as you coast on flats or downhills.