Shimano XT M8000 1×11 Boost Drivetrain Groupset


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Shimano XT M8000 1×11 Boost Drivetrain Groupset

This superb model is manufactured to reach Shimano’s ultimate goal of giving you the ultimate MTB riding experience.

Boost Spaced Groupset

This boost spaced groupset is perfect for use with your plus size rear axle frame standard, so you can enjoy a phenomenal off-road ride. It’s ideal for replacing your old or worn-out existing drivetrain or if you want to finish off your bike build in style.

XT M8000 Single 11 Speed Crankset:

This top-quality 11 speed crankset is available with various chainring options and its new design offers more durable chainwheel teeth than before. Additionally, its new 3D composite teeth are optimised for fast pedalling while delivering improved driving rigidity. Finally, this model’s loose ratio gear combination allows for a minimum shifting gap, so you can rapidly change gear for a more fluid ride.

Crankset Features

Cassette Compatibility: 11 speed

4-Arm Chainrings: Yes

Bolt Circle Diameter: 96mm

Crank Arms: Hollowtech II Technology

Bottom Bracket: BB-MT800/BB-MT800-PA

BB Shell Width: 68, 73mm

Chainring: Included, 4-arm

Chainline: 50mm

XT M8000 Single Chainring

This stunning chainring benefits from Shimano’s Dynamic Chain Engagement (DCE) technology, which holds it firmly in place and prevents drop-outs. This is achieved with its broader and taller tooth profile used in conjunction with a special hooked leading edge. Finally, this process aids in holding the chain firmly on uneven terrain, increases durability and keeps chain noise and drag to a minimum.

Chainring Features:

Hollow gear construction for optimised rigidity, lightweight and durability

Durable teeth using a plated steel construction supported by a carbon composite (CFRP) carrier body

Dyna-Sys11 HG-X11 11 speed chain compatible

Bolt Circle Diameter: 96mm

Tooth Count: 30T

Speed: 11 speed

XT M8000 Shadow+ 11 Speed Rear Mech

Now boasting improved stability, this top-notch rear mech delivers a light shift operation with 20% less effort. Easier to adjust and with greater chain stability, the efficient shifting and smoother driving provided by this model makes life easier when negotiating tough trails.

Rear Mech Features:

Shifting Action: Shadow RD+

Mount Type: Direct attachment (Conventional)/Direct mount compatible (w/o bracket spec available)

Maximum Sprocket: Low sprocket – 40/42T*, Top sprocket – 11T

Minimum Sprocket: Low sprocket – 40T, Top sprocket -11T

Front Difference: Max 10T

Total Capacity: 39T

Link Pin Bushings: 4

Shift cable comes with new hyper low-friction coating technology

Efficient pulley teeth design

Easy-to-adjust chain stabiliser

XT M8000 11 speed Rear Trigger Shifter

This superb rear trigger shifter is ergonomically designed for prolonged enjoyment and ease of use. Simple and easy to incorporate onto your cockpit with I-Spec II for horizontal and vertical positioning, this 11 speed trigger shifter is a simple yet effective upgrade.

Rear Trigger Features:

Rear Speed: 11 speed

Instance Release: Yes

2-Way Release: Yes

Mount Style: I-Spec II

Optical Gear Display: No

Shift Cable Casing: Not included

Shift Cable: Low friction shift cable

XT M8000 11 Speed Cassette

This high-quality cassette is light, durable and comes with a chrome-plated finish to guard against corrosion. Its closer gear ratio provides efficient gear and cadence control while its Hyperglide tooth configuration ensures crisp and clean shifting even when under load.

Cassette Features:

High-performance 11 speed Dyna-SysII cassette

Close ratio gearing allows more efficient use of energy through finer cadence control

Largest sprockets are mounted on lightweight alloy carriers to reduce weight and increase rigidity

Sprockets are cut away and drilled to further reduce weight without reducing rigidity

Light and durable 46T sprocket

Chrome-plated finish offers hard wearing resistance to corrosion

Alloy cassette lockring

For 11-speed HG-X11 MTB chains

Weight: 450g

Ultegra 6800-XT M8000 11 Speed Chain

This 11 speed chain is super narrow and offers smooth, crisp shifting and control. Additionally, its outer plate design has been developed to reduce the chance of chain suck, for top-level pedal stroke performance.

Chain Features:

Material: Stainless Steel

Number of Links: 116

Type: HG-X11

Outer plate design has been developed to reduce the chance of chain suck

Sil-Tec surface treatment technology (PTFE plating) on inner and outer links that is smooth running and increases durability

Zinc-Alloy plated outer links

The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity and near silent running

5.62mm chain width optimised for 11 speed Super Narrow HG-EV drivetrains

Weight: 257g


Colour: Black

Size: 11-46, 11-46t, 11-40t, 11-42t

Option: Bar Mount, I-Spec II, Boost

Teeth: 32t, 34t

Speed: 11 Speed

Length: 175mm, 170mm

Material: Alloy



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