Deore XT RD-M8000-GS rear derailleur

Compatible with 11-speed, medium cage
Dyna-Sys technology
Shimano Shadow RD+ – The switch when selected to the “ON” position dampens the cage and reduces chain movement for a nearly silent and stable riding experience. In the “OFF”position, it eases the installation and removal of the rear wheel.
Top Normal (designed for Rapidfire levers)
For Shimano 11-speed HG-X chains
Maximum sprocket size: 40 – 42 teeth when used in combination with cranksets with one or two chainrings, 40 – 46 teeth when used with single speed
Total capacity: 39 teeth
Weight: approx. 271 g

Manufacturer’s ref. IRDM8000GS