Shimano Deore XT M8000 Groupset Disc 1x11-speed

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Description of Shimano Deore XT M8000 Groupset Disc 1x11-speed


Following mountain biking's evolutionary path, Shimano Deore XT M8000 delivers the 11-speed features and premium performance found on the top-of-the-range XTR-level components, elevating the performance of enduro and cross country riders on demanding trails or race circuits. Now 11-speed, new Deore XT M8000 brings powerful, dynamic performance that establishes a new benchmark for mountain bike excellence. With DYNA-SYS11 Shimano encourages modern mountain bikers to ride anywhere with its advanced gearing concept that helps maintain rider efficiency.

This is an example configuration. The groupset consists of:

  • Deore XT BR-M8000 + BL-M8000 XC-Race front and rear disc brake I-Spec II (G02A Resin)
  • Deore XT SL-M8000-I Rapidfire Plus shifting lever I-Spec II - right
  • Deore XT FC-M8000-1 crankset 1x11-speed (without chainring)
  • Deore XT SM-CRM81 chaining 4-Arm for FC-M8000
  • Deore XT RD-M8000-GS Shadow Plus rear derailleur medium 11-speed
  • Deore XT CN-HG701-11 chain 11-speed
  • Deore XT CS-M8000 cassette 11-speed

Please contact our service team if you prefer a configuration with the FC-M8000-B1 1x11-speed crankset for Boost 148 standard.


Deore XT RD-M8000 Shadow Plus rear derailleur

The Deore XT M8000 rear derailleur features Shimano's optimized SHADOW RD+ technology with a shallow angle and extremely low profile design, reducing shift effort and improving chain stability, resulting in sharp and silky gear changes. Meanwhile new high efficiency pulleys adapted for cross-chain riding feature a taller tooth profile for improved shifting.

SHADOW RD+ friction clutch technology from the XTR range has been incorporated with increased ease of adjustment for either maximum stability or lower shift effort. The Deore XT M8000 rear derailleur is compatible direct mount systems.

Deore XT CS-M8000 cassette



An exciting addition for Deore XT M8000 is a 1x11-specific 11-42T cassette (CS-M8000) with HG-X11 specific tooth profile to provide the widest cassette range Shimano has ever produced.

Combined with a premium 11-speed chain featuring HG-X11 asymmetric plate design and SIL-TEC surface treatment, the Deore XT M8000 results in superior mountain biking performance.

Deore XT FC-M8000-1 crankset

The Deore XT M8000 crank features Rider Tuned 11-speed gearing that will take you anywhere you want to go. The new construction provides consistent long-life shifting performance and chain management.

Efficient chain management thanks to Dynamic Chain Engagement technology

The Deore XT 1x11 speed chain rings have been developed thanks to studies with world level cross-country and trail riders in all conditions, from the dry and dusty conditions of the Americas and southern Europe to the heavy mud of winter-time northern Europe.

Shimano Dynamic Chain Engagement Technology
Efficient chain management was the goal and the new Deore XT chain rings do this by introducing a concept called Dynamic Chain Engagement (DCE). The modified tooth profile on the CRM81 DCE chain rings are designed to provide superior chain retention, lower driving sound and increased durability. Steel plated teeth on provide greater durability.

BB cups not included. Recommended BB: BB-MT800 (Threaded) or BB-MT800-PA (Press-Fit).

Note: The 1-speed crank is also available as B-version for Boost 148 standard, with 3 mm outboard chain line.

Deore XT BR-M8000 + BL-M8000 Disc Brake

Deore XT hydraulic disc brakes are the industry benchmark for affordable high performance. Consistently predictable and powerful, the trail-rated Deore XT M8000 retains that standard while upgrading with a lighter, cleaner and more durable integrated master cylinder. This gives a sleeker look, saves weight and frees up valuable handlebar space.

Refined Servo Wave levers provide improved feel and feedback, offering high power with a short brake pull. Like on past models, Deore XT brakes retain tool-free reach adjust and Free Stroke adjust, whilst a narrow clamp band offers increased lever adjustment. The Rider Tuned system accommodates 140 to 203mm rotors and multiple brake pad choices.

The levers feature the new handlebar-clearing I-spec II mounting. It is only compatible to I-Spec II. Not compatible to I-Spec A or I-Spec B.

Deore XT SL-M8000 Rapidfire Plus shifting levers

As arguably the most tactile part of Shimano's new Deore XT M8000 groupset, the shifters play a vital aesthetic and ergonomic part. The dimpled long sweep paddle, grooved release paddle and OPTISLICK cable provide a 20% decrease in shift effort, crucial for the long distance endurance racer, and create an enhanced interface between rider and controls.

The 2-Way Multi Release mechanism provides a secondary gear change option whilst an improved Vivid indexing mechanism guarantees shift accuracy. Matching to the brake levers the right shifting lever is included in the I-Spec II version.

Technologies:

Instant Release allows for quicker shifts, as it instantly releases the cable when the trigger is activated.

Multi-Release allows shifting two gears at once in both directions.

The levers are also equipped with 2-Way Release for different riding styles or shifting (indexfinger or thumb) from various riding positions. The upper lever still performs the same function, but now it swings both ways. Pull it with your finger or push it with your thumb - you choose.


For further information on single components, please look for the respective component or contact our service team.


Manufacturer's item code

Shifting levers: ISLM8000IRAP
Front brake: IBLM8000L + IM8000LFPRA100
Rear brake: IBLM8000R + IM8000RRXRA170
Rear derailleur: IRDM8000GS

Cassette:
11-40: ICSM8000140
11-42: ICSM8000142

Crankset:
165 mm: IFCM8000AXX
170 mm: IFCM8000CXX
175 mm: IFCM8000EXX
180 mm: IFCM8000GXX

Chainring
30 teeth: ISMCRM81A0
32 teeth: ISMCRM81A2
34 teeht: ISMCRM81A4
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Fact Sheet of Shimano Deore XT M8000 Groupset Disc 1x11-speed

Product Name: Shimano Deore XT M8000 Groupset Disc 1x11-speed
Manufacturer: Shimano Parts
Item Code: SHI238717
Manufacturer item code: see description
Derailleur: 1x11-speed
Derailleur short/long: medium
Derailleur, max. number of teeth: 40 teeth
Capacity of derailleur: 39 teeth
Crank length (mm): 165 | 170 | 175 | 180 mm
Chainwheel, number of teeth: 30 | 32 | 34
Nuance of sprocket / Gearing: 11-13-15-17-19-21-24-27-31-35-40
11-13-15-17-19-21-24-28-32-37-42
11-13-15-17-19-21-24-28-32-37-46
Material of sprocket: Stahl, Aluminium
Bracket BSA/ITA: without
optional: BB-MT800 (Threaded) or BB-MT800-PA (Press-Fit)
Bracket, profile of axle: integrated axle
Hubs: without
optional: FH-M8000 | FH-M8010 | HB-M8000 | HB-M8010
Pedals: without
optional: PD-M8000 | PD-M8025 SPD Pedal
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Item includes
Still 10+ in stockin stock, delivery time 1-3 daysShimano CN-HG701-11 Chain 11-speed - without Quick Link - 116 links
Still 10+ in stockin stock, delivery time 1-3 daysShimano Deore XT BR-M8000 + BL-M8000 Disc Brake rear - I-Spec II - G02A Resin
Still 10+ in stockin stock, delivery time 1-3 daysShimano Deore XT BR-M8000 + BL-M8000 Disc Brake front - I-Spec II - G02A Resin
Still 10+ in stockin stock, delivery time 1-3 daysShimano Deore XT RD-M8000-GS Rear Derailleur medium 11-speed
Still 10+ in stockin stock, delivery time 1-3 daysShimano Deore XT SL-M8000-IR Rapidfire Plus Shifting Levers right 11-speed - I-Spec II
Selection: Shimano Deore XT FC-M8000-1 Crank without chainring 1x11-speed
Still 5 in stockin stock, delivery time 1-3 daysCrank Arm Length 165 mm
Still 10+ in stockin stock, delivery time 1-3 daysCrank Arm Length 170 mm
Still 10+ in stockin stock, delivery time 1-3 daysCrank Arm Length 175 mm
Still 1 in stockin stock, delivery time 1-3 daysCrank Arm Length 180 mm
Selection: Shimano Deore XT SM-CRM81 Chaining 4-Arm for FC-M8000 1x11-speed
Currently not in stockNot deliverableNumber of teeth 30
Still 10+ in stockin stock, delivery time 1-3 daysNumber of teeth 32
Still 10+ in stockin stock, delivery time 1-3 daysNumber of teeth 34
Selection: Shimano Deore XT CS-M8000 Cassette 11-speed
Still 10+ in stockin stock, delivery time 1-3 daysSprocket Ratio 11-40
Still 10+ in stockin stock, delivery time 1-3 daysSprocket Ratio 11-42
Still 10+ in stockin stock, delivery time 1-3 daysSprocket Ratio 11-46 (only for 1x11-speed)
  • Description
  • Fact Sheet
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Average:

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Rate this product
Customer Reviews
Excellent
Very good product, and good quality components.
I have so far rode about 1500 XC km on this groupset.
Think it is time for a new chain and brakepads, other than that it still rocks!
My 1x11 setup does though (as many others) cause the casette to upshift from largest sprocket to third sprocket when pedals turned rearwards. Might be my frame is a bit off-centered for the 1x11 setup. May have caused excessive wear on the largest couple of sprockets.
All in all i am satisfied with the buy - would buy it again ;)
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