Merida BIG.Nine XT

2025 MountainCross-country Manufacturer page

Fork travel: 100 mm
Wheels: 29″
Drivetrain: 1 × 12 34t / 10–51t
Gear range: 510%
Weight: 10.5 kg 23.1 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

MD 165–177
LG 175–188
XL 185–198

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

BIG.NINE CF3 III, material: carbon, 29x2.4" max wheelsize, 148x12mm axle standard, BSA bottom bracket standard Not identified

Suspension

1 part

Fork
- Fox 32

Drivetrain

6 parts

Bottom bracket

BSA, 73mm, threaded Not identified
Cassette
- Shimano Deore XT
Chain
- KMC
Crankset
- Shimano Deore XT
Rear derailleur
- Shimano Deore XT
Shifters
- Shimano Deore XT SL-M8100
SL-M8100

Brakes

2 parts

Wheels and tires

5 parts

Front hub
- Shimano Deore XT
Rear hub
- Shimano Deore XT
Rims
- Merida
Spokes

Double Butted Black stainless Not identified
Tires
- Maxxis Rekon Race

Cockpit and contact points

4 parts

Sizes and geometry

3 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size LG

Table

Reach 472mm

Stack 615mm

Wheelbase 1173mm

Head angle 68.0°

Seat angle 75.3°

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 3 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	452	472	492
Stackmm	606	615	624
Top tube lengthmm	611	633	655
Seat tube lengthmm	410	440	470
Head tube lengthmm	95	105	115
Head tube angle	68°	68°	68°
Seat tube angle	75.3°	75.3°	75.3°
Chainstay lengthmm	433	436	439
Wheelbasemm	1146	1173	1199
Front centermm	721	745	768
Bottom bracket dropmm	65	65	65
Bottom bracket heightmm	309	309	309
Standover heightmm	704	710	731
Fork rakemm	44	44	44
Trailmm	104	104	104
Stack/reach ratio	1.34	1.30	1.27

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Bicycle weight: 10.5 kg

23.1 lb
Weight limit: 135 kg

297.6 lb

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 34
Largest chainring: 34
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51
Lowest gear: 19.3 in
Highest gear: 98.6 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Tire width: 2.4″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

2 measures

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

Front travel

100 mm

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2025
Sample: 1,508 bicycles with this information
Coverage: 87.8% of the class

Shifting

Mechanical

222 of 1,648 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2025
Sample: 1,648 bicycles with this information
Coverage: 95.9% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.4 km/h
Highest gear: 37.8 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: 19.3–98.6 gear inches

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 Merida BIG.Nine XT	Merida BIG.Nine 100	Merida BIG.Nine 10K	Merida BIG.Nine 15	Merida BIG.Nine 15 SE	Merida BIG.Nine 200
Frame
Frame material	Carbon	Aluminum	Carbon	Aluminum	Aluminum	Aluminum
Bicycle weight	10.5 kg	14.1 kg	Not informed	Not informed	Not informed	13.8 kg
Suspension
Suspension configuration	Hardtail	Hardtail	Hardtail	Hardtail	Full suspension	Hardtail
Rear travel	Not informed	Not informed	Not informed	Not informed	100 mm	Not informed
Drivetrain
Front chainrings	1	2	1	3	3	1
Smallest chainring	34	22	30	24	24	32
Largest chainring	34	36	30	42	42	32
Rear sprockets	12	9	Not informed	7	8	10
Smallest sprocket	10	11	9	12	11	11
Largest sprocket	51	36	45	32	32	48
Lowest gear	19.3 in	17.7 in	19.3 in	21.8 in	21.8 in	19.3 in
Highest gear	98.6 in	94.9 in	96.7 in	101.5 in	110.7 in	84.4 in
Cockpit
Shifting	Mechanical	Mechanical	Electronic	Mechanical	Mechanical	Mechanical
Other specifications
Fork spring	Air	Air	Air	Coil	Coil	Air
Suspension	Hardtail	Hardtail	Hardtail	Hardtail	Full suspension	Hardtail
Tire width	2.4″	2.25″	2.4″	2.2″	2.2″	2.25″
Wheel material	Aluminum	Aluminum	Carbon	Aluminum	Aluminum	Aluminum