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Shimano XT FC-M8000 Single Crankarms
Shimano XT FC-M8000 Single Crankarms
Shimano XT FC-M8000 Single Crankarms
(45)

Shimano XT FC-M8000 Single Crankarms

Item #: CR212A13
USD$94.99 SAVE 34% USD$144.99 msrp
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Shimano XT FC-M8000 Single Crankarms

Note: These cranks do not include a chainring or bottom bracket. You will be shipped both crankarms without the chainring or bottom bracket. The matching SM-CRM80 Chainring is specific to this crankset and is sold separately.

Shimano XT FC-M8000 Single Ring Crankarms

Rider Tuned for any Terrain

The long-awaited Shimano XT 11 speed drivetrain has made its grand entrance! The new Shimano XT Cranks are beautifully forged out of aluminum and turn on an updated bottom bracket that reduces both the weight and bearing drag, while improving its performance in muddy conditions. 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.

Pair these cranks with the appropriate Shimano single chainring and shred some trails!

Deore XT M8000 Boost 2x11 Crankset Features:

  • Various choices for bike type and riding style
  • Hollowtech II Technology
  • Improved Driving Rigidity
  • Better sealing and smoother rotation

Specifications:

  • Cassette Compatibility - 11
  • Compatible with single or double chainrings
  • Bolt Circle Diameter - P.C.D. 96
  • Crank Arm Length Options – 165mm, 170mm, 175mm, 180mm
  • Crank Arms - HOLLOWTECH II Technology
  • Bottom Bracket - BB-MT800 / BB-MT800-PA (not included)
  • Chain Line – 50.4mm
  • BB Shell Width - 68mm, 73mm
  • Model Number - FC-M8000-1
  • Weight: 605g (Arms & Preload bolt only, no BB or Rings, 175mm)
4.7 / 5.0
45 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
36
8
0
0
1
Not Great.
I bought a full 1x11 XT m8000 drivetrain. The crankset was the last part I purchased. It has such a bad chainline in comparison to the last race face cranks I was using that it seems unsafe to use the two largest cogs on the cassette. This is with the corresponding XT chainring up front too. Considering that it is a whole set designed for use with each other it is very disappointing that it is such a bad match.

Don't be fooled, you are not buying a 1x crankset here. It is the same crank for a 2x set up. What this means is, in order for the crank to work properly with an 11 speed cassette you would have to use a granny ring and front derailleur. Otherwise the chainline from the large front ring to the large rear ring is far too extreme (can't stress this enough). This crank is falsely advertised as a 1x crank and it is not designed to be.

With this crank, if you need to backpedal even less than half a turn in the two largest cogs, you will drop your chain down the cassette. I feel that it is unsafe for this reason. If you are on a technical climb and need to backpedal to avoid an obstacle, you may as well just forget about it. Please note that this issue occurs with other crank sets too but this is the worst I have seen it.

There are options to buy other chainrings like one made by One Up. They say they correct the chainline to 49mm from the 50.4 that it originally has. But I can not verify if this is true. I also don't know if they are just sticking washers behind the chainring. Either way, SHIMANO should not be advertising this as a 1x set up. I feel like I have been taken for my money here and I wish that I had gone another route.

It is rideable and it indexes just fine but with the extreme stress of the angle of the chain due to the poor chainline, I have deep concerns that the chain will eventually break while riding or it will drop and either way cause injury.

Hope this helps future customers.
May 13, 2016
Location:
Olympia Washington
Great Value
Service, as always, was prompt and convenient—Jenson is a great company to work with.
May 31, 2016
Location:
Richland, WA
Changing gears!!!
Changing to 1×11 speed.
November 12, 2016
Location:
San Antonio TX
Can't go wrong
Fast
November 17, 2016
Location:
So. Cal.
So happy with this crankset
Good looking, light, easy to install! I bought the bottom bracket M8000 so I wouldn't have any problems in the installation process.
October 28, 2016
Location:
East Hampton, N.Y.
Strong, light and reasonably priced
Did not have to break the bank to buy this quality, lightweight crank from Shimano. So far it has performed well.
November 9, 2016
Location:
Detroit, Mi
Doesn't get better than these!
These cranks are awesome! The price is right, performance is great and the whole package just looks great. I paired these up with my existing 10spd XT setup and the matching XT 32T chainring and chain retention is solid, and the chainring runs a lot quieter and smoother than the Race Face Narrow Wide chainring I was running previously. The cranks are super stiff, quite lightweight and inspire a lot of confidence. Plus, you can configure it however you want (double, triple, single or whatever). Buy 'em!

PROS: Lightweight, Attractive Design, Easy To Install, Durable
November 6, 2015
Location:
Riverside, CA
Light, strong, and sexy. Im talking about Jenson, not cranks
Jenson is unbeatable.

Period.
October 6, 2016
Location:
Nor-Cal
I've always been a sure mono fan and as the XT continues to
I have no complaints or issues with this product it is performing great

PROS: Easy To Install, Attractive Design, Durable, Lightweight

BEST USES: Mountain Biking, Racing
March 24, 2016
Location:
Colorado Springs Colorado
I would purchase this product again
Arrived in a timely manor
July 15, 2016
Location:
San Antonio, TX

Q & A

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 10 questions Browse 10 questions and 14 answers
Can I use these crankarms with a setup of 1 x 10 cassette? or does it have to be used with a 1 x 11 cassette?
I just want to change my crankarms to the XT reference.
Thanks.
Charlie on Jun 9, 2016
This description is confusing. Is this for a 1x11 or is it compatible with a 2x setup? I'm looking for shorter crank arms for a 2x10 deore crankset.
Will on Oct 7, 2016
BEST ANSWER: Hi, I hope you're fine... This crank arms are for 1x11 or 2x11 like you
wish, for both is perfect... if you want use crank arms for 2x10, you can
select this crankset CR227A02 (including the chainrings), it will be
perfect for your bike...
Thanks for check JensonUSA
Will this work with a 10 speed (11-36) cassette? It shouldn't matter right as far as chain line right?
TallboyCC on Jan 16, 2017
BEST ANSWER: This is a great crankset. In order to determine if it will fit your bike is to double check your bottom bracket size. The chain line should work with great with a 10sp setup. The chain rings that go to this crankset are proprietary and only accept XT8000 spaced chain rings.
Bolt Circle Diameter P.C.D. only 96 ?
Can I use 64? I will make up double chainring.
single crankarms and double crankarms are completely same?
heesup on May 23, 2016
Bolt Circle Diameter P.C.D. only 96 ?
Can I use P.C.D 64?(I will make up double..)
Ssuby on May 23, 2016
Does this Crank come with Bottom Bracket?
Joe on May 18, 2016
Will this fit a 2015 giant stance 27.5 2?
John on May 2, 2016
I purchased this crankset for my 2014 Giant XTC Advanced. My question is what bottom bracket do I need in order to get this to work, I currently have a PF30 on it.

Thank you.
Vic on May 1, 2016
would this work with a race face 32 tooth narrow wide chainring and bash guard?
E on Apr 26, 2016
would this crank set fit a pf30 bottom bracket?
Vic on Apr 24, 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.