The Shimano Deore XT M8000 features revamped pulleys and geometry for lighter shifts and increased chain stability. Using a shallower angle on the refined Shadow design creates an ultra-low profile for avoiding rocks and other trail obstacles while also keeping the upper pulley nearer to the cogs throughout the gear range. Extra stability is provided by a switchable clutch that easier to adjust than ever, using an allen key to tighten or loosen the friction damper.
Available in multiple cage lengths.
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Mount Type: Standard Rear Hanger
GS - 1x11 & 2x11
Mfg PartNum: IRDM8000GS
Shimano may not be on the cutting edge of bicycling technology, but just about anything they make and release works extremely well. Shimano XT is probably one of the best money/performance values in MTB. XT typically has all the key features from XTR, but made from little bit less exotic materials, but the weight difference is pretty minimal. The XT rear derail is no different. I have 3 XT rear derails on various bikes....all of them takes a beating and works very well. And cheap enough to replace without having to eat top-ramen for a month.
Only have a couple hundred miles so far, but shifting with this derailleur seems very precise. No issues with chain slap or looseness with an 11 speed SRAM chain.