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Item # SHI008G

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Item # SHI008G

The shadow knows.

Bringing constant refinement to the 11-speed XT drivetrain, the Shimano XT RD-M8000 Rear Derailleur offers improved chain retention when you're riding across jarring, rock-strewn trails. Benefiting from trickle-down technology from the XTR group, Shadow RD+ technology keeps the chain from bouncing around with its handy stabilizer switch. The Shadow design is optimized for increased stability with its slanted position, allowing for silky-smooth shifting in every gear.

The XT's robust aluminum construction takes a serious beating without fuss, equating to worry-free confidence when you're rallying across technical terrain. In conjunction with a low-friction shift cable, Shimano claims shifting requires 20% less effort. Other key features include an easy-to-adjust chain stabilizer for effortless fine-tuning, as well as Direct Mount attachment with compatible frames for a stronger and lighter mount interface. As a bonus for riders with older frames not compatible with Direct Mount, the included link attaches in a conventional manner.

  • 11-speed rear derailleur: gs/medium 1x11/2x11, sgs/long 3x11
  • Durable aluminum construction withstands trail abuse
  • Shadow RD+ with stabilizer switch prevents dropped chains
  • Direct Mount option with compatible frames (without link)
  • Compatible with conventional derailleur attachment (with link)

Tech Specs

Material:
aluminum
Cage Length:
[gs] medium, [sgs] long
Gearing:
[gs/medium] 1x11/2x11, [sgs/long] 3x11
Recommended Use:
cross country, trail
Manufacturer Warranty:
2 years

Reviews & Community

REVIEWS

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Smooth operator!

  • Familiarity: I've put it through the wringer

I bought this after Shae( She is great) from the bike dept at backcountry recommend it as part of the parts ( Race Face Narrow Wide Chainring, Shimano CN-HG600 11-Speed Chain,Shimano XT CS-M8000 Cassette, Shimano XT SL-M8000 RapidFire Trigger) to convert my baby (2016 Santa Cruz Heckler) to a 1 x 11. After a 100 miles the the derailleur is still smooth and is tougher that it looks. I had a couple of bad crashes that had me fearing the worst, however it is still going. I could not be happier; all done at a very reasonable price. My only regret is that i did not changed sooner to a 1 x11

Great. Consider adding Goat Link

  • Familiarity: I've used it several times

I use this on a 11 x 46t XT cassette. It is crisp, however it does take a while to dial in. I added the Goat Link 11 and it made the derailleur perform incrementally better.

Based on your experience with the 11-46, would you recommend doing the 11-42 or the 11-46 with the xt8000?

Perfect Alternative

  • Familiarity: I've put it through the wringer

Switched over to a one-by drivetrain and decided on XT as a value and performance component. Shifts great, lightweight, and easy to maintain.

Very nice

  • Familiarity: I've put it through the wringer

Excellent product, light weight, solid feel, precise shifting. Used XT deraileurs for over 20 years -- never been disappointed.

Can I use this RD with a Shimano Saint 10sp shifter and Shimano XT 10sp cassette? I need to replace my Saint derailleur and would like to use this RD-M8000 if it's compatible with my current 1x10 setup.

Hi John! The m8000 derailleur will not work with your 10 speed set up, but the m786 will. Check it out below:



http://www.competitivecyclist.com/shimano-xt-shadow-plus-rd-m786-rear-derailleur

Bang for your Buck

  • Familiarity: I've used it several times

M8000 rear derailleur is pretty sweet for the money. Shifts crisp and smooth every time. It is more quiet if you pair it with a sram cassette and chain. Does the trick.

Crisp

  • Familiarity: I've put it through the wringer

I have this paired with a Shimano 1x11 XT system. It works great, shifts are crisp and well defined. Great quality and even better value.

Bang for buck

  • Familiarity: I've put it through the wringer

Bought this because I ripped my XTR derailleur off my bike with a rock. This derailleur shifts and performs similarly to the XTR. Its a bit heavier but only slightly and cost half as much.

Solid Performer

    I've had about a half dozen rides so far on my complete XT 1X11 set up, on mixed single-track, moderate downhill and serious climbs. So far I love it! I know it's not as light as the SRAM drivetrains, but the cost and simplicity of the drivetrain swap pays big time. No dropped chains, no mis-shifts. I'm really loving it. Coming from a 3X or 2X set up, I don't have the top-end road speed, but who cares! If you're thinking about upgrading, do it.

    Get an XT

    • Familiarity: I've put it through the wringer

    This is my third XT rear der ad I've run one them on my other bikes. I tried Sram on my Yeti but went back to XT. Running this newer version on a 2x11. Shifts well and the chain stays on. Can't get anything better for the price and they are very reliable.

    Get an XT

    Best 11sp shifts for the cash

    • Familiarity: I've put it through the wringer

    I love shimano shifting. Its the smoothest, quietest available. Id use xtr but dang it's expensive, so xt will have to do.

    Great derailleur.

    • Familiarity: I've used it several times

    I have always loved XT products, this is no exception. Simple and easy to use, when setup properly it shifts like a dream.

    Derailleur sheared

    • Familiarity: I've used it several times

    First of all, I want to say the customer service is top notch. I have now become a customer for life and will even stay true if the price is a bit more than the competition .
    That being said, I have run all XT m8000 on my bike. I recently replaced this derailleur due to a rock collision that bent the cage like a soft taco. After the new component was installed by my lbs (because my wife had it done for me while I was at work)...I took it on three rides...8 miles, 16 miles and 5 miles, all on hard packed singlet rack with minimal climbs. On the fourth ride day, I was riding the bike at the trailhead (not on the trail) and the body of the unit completely sheared I to three pieces. The connection point of the hanger had a small piece, the gear mech cable had a small piece and the main unit. No hits, no stress, just sheared into pieces. I have no idea how this could happen besides a bad mold on this particular batch. I will still use XT m8000, it shifts like butter and have had no issues before. The customer service rep was on target and helped get a new item in the mail on the fast track since I have a race in 8 days. Fortunately I was under 30 days and the customer service dept honored the return policy. I am a customer for life, competitive cyclist is great!

    Super Quiet

    • Familiarity: I've put it through the wringer

    The 11 speed XT drivetrain is sick and the derailleur is a large part of what makes it great. The clutch mechanism keeps everything quiet and is now easily adjustable with an external screw. The medium cage is perfect for a single ring setup. Overall this drivetrain is great and a no brainer if you are looking to make the jump to 11 speed.