Which size or configuration labels have geometry for the 2023 Boardman MTR 8.6?

Geometry is listed for S, M, L, and XL.

What are the reach and stack of the 2023 Boardman MTR 8.6 in size L?

In size L, reach is 480 mm and stack is 620 mm.

What is the head tube angle of the 2023 Boardman MTR 8.6?

The head tube angle is 65.5 degrees in every size.

What does the 2023 Boardman MTR 8.6 ship with?

The stock build includes Boardman 6061 Butted Alloy, SR Suntour XCR 34, microSHIFT Advent, and Boardman Alloy.

Which years of the Boardman MTR 8.6 are on Quiver?

Quiver has the Boardman MTR 8.6 for 2023.

2023 Boardman MTR 8.6 geometry and specs

Key facts

Brand: Boardman
Model: MTR 8.6
Model year: 2023
Type: Trail
Geometry labels: S, M, L, and XL
Drivetrain: microSHIFT Advent
Fork: SR Suntour XCR 34
Rear shock: RockShox Deluxe Select
Wheels: Boardman Alloy
Geometry: Complete for every size
Source: boardmanbikes.com
Checked: Aug 31, 2026

Geometry by size

2023 Boardman MTR 8.6 geometry by size
Measurement	S	M	L	XL
Reach(mm)	440	460	480	500
Stack(mm)	602	610	620	629
Head tube angle(°)	65.5	65.5	65.5	65.5
Seat tube angle(°)	77.5	77.5	77.5	77.5
Effective top tube(mm)	573	595	617	640
Chainstay length(mm)	440	440	440	440
Seat tube length(mm)	410	430	460	480
Head tube length(mm)	100	110	120	130

How to read a geometry chart

Stock build

21 parts

Frame

Boardman 6061 Butted Alloy

FrameFrame type Full SuspensionRear travel 130mm

Suspension

SR Suntour XCR 34

ForkWheel size 29Front axle / spacing 15x110 (Boost)Spring type AirExternal adjustments crown-mounted speed lockout

RockShox Deluxe Select

Rear shockSpring type AirExternal adjustments rebound damping adjustment

Drivetrain

microSHIFT Advent

Shifter

microSHIFT Advent

DerailleurActuation type MechanicalMount type direct

microSHIFT CS-H104

CassetteSpeeds 10

KMC X10

ChainSpeeds 10

Prowheel Charm

CranksetSpeeds 10

Prowheel Charm

ChainringTeeth 40 tSpeeds 10

Wellgo Flats

PedalsPedal type Flat

Wheels & Tires

Boardman Alloy

WheelsetTubeless ready

Maxxis Forekaster

TireTPI 60 TPI

Maxxis Rekon

TireBead Folding

Brakes

Tektro HD-280

BrakeFluid type Mineral

Tektro HD-280

Rotor

Cockpit

Boardman 6061 Alloy

Handlebar

Boardman Alloy

Stem

Boardman lock-on

Grips

FSA No.42

Headset

Seatpost & Saddle

Boardman Alloy

Seatpost

Boardman MTB

Saddle

Keep your MTR 8.6 in Quiver

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Quick answers

Which size or configuration labels have geometry for the 2023 Boardman MTR 8.6?: Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2023 Boardman MTR 8.6 in size L?: In size L, reach is 480 mm and stack is 620 mm.
What is the head tube angle of the 2023 Boardman MTR 8.6?: The head tube angle is 65.5 degrees in every size.
What does the 2023 Boardman MTR 8.6 ship with?: The stock build includes Boardman 6061 Butted Alloy, SR Suntour XCR 34, microSHIFT Advent, and Boardman Alloy.
Which years of the Boardman MTR 8.6 are on Quiver?: Quiver has the Boardman MTR 8.6 for 2023.