With the Shimano XT RD8000 you can change gears directly and smoothly, this will save you a lot of energy on the trails or single tracks. The M8000 features Shimano's optimized SHADOW RD+ technology with a soft angle and a low profile design. This results in smoother shifting and an improved chain stability. The renewed derailleur wheels with a larger tooth profile ensure a improved performance and effective shifting. The XT M8000 rear derailleur is compatible with direct mount systems and 1 11, 2 11 or 3 11 setup.
With a normal and long clevis derailleur, the largest gear possible is 42 teeth when using a double bottom bracket