Boardman MTR 8.6

2021 MountainTrail Manufacturer page

Price: Not published

Prices shown first for United States
United Kingdom: £1,000 Last known price
Fork travel: 140 mm
Wheels: 29″
Drivetrain: 1 × 10 32t / 11–46t
Gear range: 418%
Weight: 14 kg 30.9 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 162–170
MD 168–177
LG 175–185
XL 183–195

Components

16 of 19 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

6061 Alloy with Rockshox Deluxe Select, 230mm x 60mm Not identified

Suspension

1 part

Fork
- SR Suntour XCR34

Drivetrain

7 parts

Bottom bracket
- Shimano
Cassette
- Shimano Deore CS-M4100-10 10 speeds 11–46t
CS-M4100-10
Chain
- KMC
Crankset
- Shimano Deore FC-M5100 11 speeds 32t
FC-M5100
Front derailleur

None
Rear derailleur
- Shimano Deore RD-M5120 11 speeds
RD-M5120
Shifters
- Shimano Deore SL-M4100-R 10 speeds
SL-M4100

Brakes

1 part

Brakes
- Tektro
HD-M285

Wheels and tires

4 parts

Front hub

Alloy 32H - 15mm x 110 mm Front / QR 148mm Boost Not identified
Rear hub

Alloy 32H - 15mm x 110 mm Front / QR 148mm Boost Not identified
Rims
- Boardman
Tires
- Maxxis Minion DHF

Cockpit and contact points

6 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 455mm

Stack 620mm

Wheelbase 1201mm

Head angle 66.0°

Seat angle 75.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	440	455	475	490
Stackmm	611	620	629	638
Top tube lengthmm	598	615	638	655
Seat tube lengthmm	410	430	475	480
Head tube lengthmm	90	100	110	120
Head tube angle	66°	66°	66°	66°
Seat tube angle	75.5°	75.5°	75.5°	75.5°
Chainstay lengthmm	440	440	440	440
Wheelbasemm	1182	1201	1225	1244
Front centermm	744	763	787	806
Bottom bracket dropmm	33	33	33	33
Bottom bracket heightmm	341	341	341	341
Fork rakemm	42	42	42	42
Trailmm	121	121	121	121
Stack/reach ratio	1.39	1.36	1.32	1.30
Suspension and parts
Crank lengthmm	170	170	170	170
Handlebar widthmm	780	780	780	780
Stem lengthmm	45	45	45	45

Not published by the manufacturer: Standover height, Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 14 kg

30.9 lb

Suspension

Suspension configuration: Full suspension
Front travel: 140 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 10
Smallest sprocket: 11
Largest sprocket: 46
Lowest gear: 20.2 in
Highest gear: 84.4 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Fork spring: Air
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

140 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,325 bicycles with this information
Coverage: 98.1% of the class

Lowest gear

20.2 gear inches

This value is above the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,138 bicycles with this information
Coverage: 84.2% of the class

Highest gear

84.4 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,138 bicycles with this information
Coverage: 84.2% of the class

Shifting

Mechanical

53 of 1,347 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,347 bicycles with this information
Coverage: 99.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.7 km/h
Highest gear: 32.3 km/h

Total gear range 418%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 20.2–84.4 gear inches
Class reference (p10–p90): 16.9–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2021
Lowest gear: 1138 bicycles with this information, 84.2% of the class
Highest gear: 1138 bicycles with this information, 84.2% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2021 builds
Specification	This bicycle Boardman MTR 8.6	Boardman MTR 8.8	Boardman MTR 8.8 Women's	Boardman MTR 8.9	Boardman MTR 9.0
Frame
Intended fit	Unisex	Unisex	womens	Unisex	Unisex
Bicycle weight	14 kg	16 kg	16 kg	15.8 kg	15.5 kg
Suspension
Front travel	140 mm	150 mm	150 mm	150 mm	150 mm
Rear travel	Not informed	145 mm	145 mm	Not informed	Not informed
Drivetrain
Rear sprockets	10	11	11	12	12
Smallest sprocket	11	11	11	11	10
Largest sprocket	46	51	51	50	51
Lowest gear	20.2 in	18.2 in	18.2 in	18.6 in	18.2 in
Highest gear	84.4 in	84.4 in	84.4 in	84.4 in	92.8 in
Cockpit
Seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost	Dropper seatpost	Dropper seatpost
Other specifications
Bottom bracket standard	Not informed	Not informed	Not informed	Not informed	BSA

Changes since 2020
Specification	2020 Boardman MTR 8.6	This bicycle Boardman MTR 8.6
Frame
Bicycle weight	14.8 kg	14 kg
Suspension
Front travel	120 mm	140 mm
Drivetrain
Front chainrings	2	1
Smallest chainring	22	32
Largest chainring	36	32
Rear sprockets	9	10
Largest sprocket	36	46
Lowest gear	16.8 in	20.2 in
Highest gear	90.0 in	84.4 in
Other specifications
Tire width	2.25″	Not informed
Wheel size	27.5″	29″
Fork spring	Not informed	Air