Boardman MTR 8.9

2025 MountainTrail Manufacturer page

Price: Not published

Prices shown first for United States
United Kingdom: £1,900 Last known price
Travel: 130 / 130 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 12 32t / 10–51t
Gear range: 510%
Weight: 15.3 kg 33.7 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

15 of 17 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 130mm RockShox Deluxe Select+ Not identified

Suspension

1 part

Fork
- RockShox Psylo Gold RC

Drivetrain

6 parts

Bottom bracket
- Shimano SM-BB52
SM-BB52
Cassette
- Shimano Deore CS-M6100-12 12 speeds 10–51t
CS-M6100-12
Chain
- Shimano Deore CN-M6100
CN-M6100
Crankset
- Shimano FC-MT510-1 12 speeds 32t
FC-MT510
Rear derailleur
- Shimano Deore RD-M6100-SGS 12 speeds
RD-M6100-SGS
Shifters
- Shimano Deore SL-M6100-R 12 speeds
SL-M6100

Brakes

1 part

Brakes
- Shimano BR-MT410
BR-MT410

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Handlebar
- Boardman
Headset
- FSA NO.42/ACB
Pedals
- Wellgo
Saddle
- Boardman
Seatpost

Dropper SM/MD - 125mm L/XL - 150mm Not identified
Stem
- Boardman

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Geometry diagram unavailable

The drawing needs wheelbase, which the manufacturer did not publish. Available facts remain in the table.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	440	460	480	500
Stackmm	602	610	620	629
Top tube lengthmm	573	595	617	640
Seat tube lengthmm	410	430	460	480
Head tube lengthmm	100	110	120	130
Head tube angle	65.5°	65.5°	65.5°	65.5°
Seat tube angle	77.5°	77.5°	77.5°	77.5°
Chainstay lengthmm	440	440	440	440
Bottom bracket dropmm	33	33	33	33
Bottom bracket heightmm	341	341	341	341
Fork rakemm	42	42	42	42
Stack/reach ratio	1.37	1.33	1.29	1.26
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: Wheelbase, Front center, Standover height, Trail, Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 15.3 kg

33.7 lb

Suspension

Suspension configuration: Full suspension
Front travel: 130 mm
Rear travel: 130 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51
Lowest gear: 18.2 in
Highest gear: 92.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire width: 2.4″
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

130 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,810 bicycles with this information
Coverage: 97.5% of the class

Lowest gear

18.2 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,384 bicycles with this information
Coverage: 74.6% of the class

Highest gear

92.8 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,384 bicycles with this information
Coverage: 74.6% of the class

Shifting

Mechanical

388 of 1,849 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,849 bicycles with this information
Coverage: 99.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.0 km/h
Highest gear: 35.5 km/h

Total gear range 510%

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: 18.2–92.8 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2025
Lowest gear: 1384 bicycles with this information, 74.6% of the class
Highest gear: 1384 bicycles with this information, 74.6% 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 2025 builds
Specification	This bicycle Boardman MTR 8.9	Boardman MTR 8.6	Boardman MTR 8.8	Boardman MTR 8.8 Womens	Boardman MTR 9.0
Frame
Intended fit	Unisex	Unisex	Unisex	womens	Unisex
Bicycle weight	15.3 kg	16 kg	16.3 kg	16.3 kg	15 kg
Drivetrain
Rear sprockets	12	10	11	11	12
Smallest sprocket	10	11	11	11	10
Largest sprocket	51	48	50	50	51
Lowest gear	18.2 in	19.3 in	18.6 in	18.6 in	18.2 in
Highest gear	92.8 in	84.4 in	84.4 in	84.4 in	92.8 in
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost
Other specifications
Bottom bracket standard	BSA	Not informed	Not informed	Not informed	BSA
Fork spring	Not informed	Not informed	Air	Air	Air

Changes since 2024
Specification	2024 Boardman MTR 8.9	This bicycle Boardman MTR 8.9
Frame
Bicycle weight	15.8 kg	15.3 kg
Suspension
Front travel	150 mm	130 mm
Rear travel	Not informed	130 mm
Drivetrain
Smallest sprocket	11	10
Largest sprocket	50	51
Lowest gear	18.6 in	18.2 in
Highest gear	84.4 in	92.8 in
Cockpit
Derailleur hanger	Not informed	UDH
Other specifications
Fork spring	Air	Not informed
Bottom bracket standard	Not informed	BSA
Tire width	Not informed	2.4″