Precise wireless Di2 shifting, designed for E-MTB and LINKGLIDE compatibility. The ultra-robust RD-M8260 derailleur with a long cage offers features that every rider will appreciate. The derailleur utilizes the proven wireless Di2 shifting technology and other strengths of the established XT group, while drawing power from the main battery of the bicycle, providing a stable power supply and eliminating the need for a separate battery for the derailleur.