Shimano RD-M8000 XT 11-Speed Shadow+ Rear Derailleur, SGS, BlackShimano's Direct Mount compatible Rear Derailleur system gives more space around the rear frame dropout resulting in easier rear wheel removal but also allows frame designers to shorten chain stays, increase axle sizes and move suspension pivots Direct Mount gives a simpler, cleaner look Deore XT Shadow+ Dyna Sys11 11 speed rear derailleur delivers reliable and precise shifting with a stiff and lightweight open design Shadow+ features a super low