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Shimano XT FC-M8000-2 Crankset

Item #: CR212A15
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Shimano XT FC-M8000-2 Crankset

Shimano XT FC-M8000 2x11 Crankset

Rider Tuned for any Terrain

The XT M8000 series of components are the components of adventure. Rider, meet the most technologically advanced XT crankset ever.Through Shimano’s proven Hollowtech ll technology, the XT M8000 Crankarms receive a shot of stiffness and more weight savings. Additionally, the asymmetrical bolt pattern strategically places the strength spots where the most pedal force is exerted, providing more stability and trail-crushing responsiveness. Shimano XT 11-speed cranks turn on an updated bottom bracket that reduces both the weight and bearing drag, while improving its performance in muddy conditions.

The 2x11 (double) model of the XT M8000 crankset rethinks the approach to two rings with Rhythm Step Technology, carefully selecting and expanding the range of gears to maintain a better cadence when paired with an 11-40T cassette. The chainrings are precisely carved to optimize the teeth for the specific 2x11 chainwheel load, both improving chain retention and prolonging the lifespan of the teeth. All in all, with a double crankset, you'll get a very optimized gear spread over the equivalent 1x11 or 1x12 technology without huge steps between gears. Tackle the trail with the XT M8000-2 crankset!

Deore XT M8000 2x11 Crankset Features:

  • Hollowtech II Technology
  • New 3D Composite chain ring’s teeth compositions is optimized for 2x11 load out with steel driving gear teeth and aluminum support gears
  • Rhythm Step gear combination for minimum shifting gap to maintainin pedaling efficiency
  • Improved Driving Rigidity
  • More resilient chain wheel teeth
  • Enhanced chain retention
  • Better sealing and smoother rotation


  • Model Number : FC-M8000-2
  • Series : DEORE XT
  • Cassette Compatibility : 11
  • 4-Arm Chainrings (Must use M8000 specific chainrings only)
  • Chainring Sizes : 38-28T, 36-26T, 34-24T
  • Bolt Circle Diameter : P.C.D. 96/64mm
  • Crank Arm Length : 165, 170, 175, 180 mm
  • Crank Arms : HOLLOWTECH II Technology
  • Bottom Bracket : BB-MT800 / BB-MT800-PA (Not Included)
  • Chain Line : 48.8mm
  • BB Shell Width : 68 or 73mm
  • Weight: 700g (175mm with 34-26T Rings & Preload Bolt)
4.8 / 5.0
19 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
5 Star
One solid piece of gear. Definitely worth spending on this.
March 20, 2017
7 months ago
Dubai UAE
They are light and strong, be sure to order the right chainring.
December 15, 2016
1 year ago
Pleased as punch.
Shifts sweet. Smooth and effortless. 10 tooth stepping works perfect on the trail. Nice and stiff as well. The silver teeth is smart as anything black gets worn anyway so it keeps it looking nicer longer.
March 29, 2017
8 months ago
Looks great on the bike and I definatelly felt a postive diference...
User submitted image
Added Jun 29, 2017
June 29, 2017
5 months ago
Shimano XT FC-M8000-2 Crankset
Install it, use it, no problem (now I got to fill this review up to 50 characters, think it's enough)
June 24, 2017
1 year ago
Best 2X cankset ever
It has taken Shimano a while to come up with the precise dimensions of a crancket. This XT 36/26 is excellent. I have gear to spare now, I just need a pair of legs in good shape.
February 24, 2017
8 months ago
Durango, Mexico
From 3 to 2 with 10
needed new chainrings, decided to go from 3 to 2 up front with a 10 speed on the back. Install a breeze, adjustment good, maiden voyage,the shifting didn't miss a beat. glad I did it.
June 14, 2017
4 months ago
Awesome upgrade.
The crank set was a perfect replacement for myTrek 2017 EX8. Every so often with the 175 mm set I would bottom out on a rock or root. When I recently purchased 27.5 wheels for the bike, the problem of bottoming out increased. With the 165mm crank set, problem resolved. Actually I think I climb better now. I can swap between 29 or 28 wheels with no issues.
June 30, 2017
4 months ago
Louisville, KY.
I would buy this products again
Works perfect, light and reliable
August 26, 2016
Great crank set.
Great service from Jenson. Love these guys!
October 9, 2016
Upstate, NY

Q & A

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Browse 14 questions Browse 14 questions and 33 answers
Will this crankset work with a 10-speed cassette?
Newb on Aug 5, 2016
Sent from my iPhone
Is this crank boost? or normal...the description kinda says both.
Oxman on Jun 18, 2016
BEST ANSWER: I ordered this and was sent the non-boost version.
Is the bottom bracket included?
GalleySlave on May 30, 2016
BEST ANSWER: I ordered it and it did not come with the BB. This works great with the current gen XTR BB.
Can this be turned into a 1x crank? Can the small ring be removed or were they both attached to each other?
Kam Th on Apr 2, 2017
BEST ANSWER: The rings are separate, but your chainline may be out a bit. However, since this is not a +3mm (boost spaced) crank, so it may work quite well.
Can i use this xt crank with press fit bottom bracket?
Reynaldo P on May 9, 2017
BEST ANSWER: You will have to find a BB that has right sized bearing for the Shimano spindle. Look at the Wheels Mfg bottom bracket that is a BB30 here on the JensonUSA site. The gear advisors can also help you out.
Is it possible to customize this crankset (I want to run a 38-24T configuration) to use it with a 11-42 11 spd cassette?
Jorgesneto on May 4, 2017
BEST ANSWER: don't see why not. the only issue would be chain length. i have my wife's bike set up as 38/24 - 11-40, though it is the previous xt model. it works but to get it to work at it's best, you need to give up one end of the shift, either 38-42 or 11-24. there's a definite sweet spot in chain length, between too long and too short. also, it feels like too big of a shift going between 24 and 38 - you need to shift 2 or 3 gears to keep it as a smooth progression. i ride the m8000 at 34/24 - 11-42, and it's great. maybe it's a little under geared on open trails or fire roads, or i'm not riding fast enough of course, but i've never run out of gears on a single track. if you're cranking 11-34, at 90-100 beats, you're movin' pretty quick. for me, i'm happy to give up some top end for great shifting on my north east coast trails
Can i use this crank to trek fuel ex 5?
Reynaldo P on Jun 24, 2017
BEST ANSWER: I used it in a Fuel ex8 and works perfect, the components are different but the frame is the same., should be no problem.
Will this work with a 2016 Scott Genius? Currently has a SLX
david on Jun 10, 2017
BEST ANSWER: Yes, it will fit no problems with the right bottom brecket.
Will this fit on a 2015 Kona Kula frame? Its a BB30 bottom bracket.
A shopper on May 6, 2017
BEST ANSWER: Pretty sure the 2015 Kona Kula has a standard threaded bottom bracket, in which case you need the attached bb.
Shimano XT BB-MT800 Bottom Bracket
Shimano XT BB-MT800 Bottom Bracket
So I'm guessing that this is a 2 speed Crankset?
Jackhammer on Apr 19, 2017
BEST ANSWER: Yes, the M8000-2 means 2 chainrings.
What size crank would work for a L frame giant revolt 1?
Will I need to change out my BB?
Tristan G on Mar 29, 2017
BEST ANSWER: This crank won't likely work on your bike, at least, not as a 2x. The front shifting won't work with the Tiagra front derailleur, as this is a MTB crank and the chainrings sit further out.
Can someone tell me the length of the spindle?
Jason G on Jan 14, 2017
BEST ANSWER: 68/73mm
Will this fit a 2011 anthem X 29 ?
Ed on Aug 29, 2016
Hello cordial greeting.

They can send with BB71 Press Fit.
luiferaraujo on Apr 17, 2016

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.