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2025 Merida

BIG.SEVEN 15

A 27.5″ aluminum frame hardtail crosscountry bike with mid-range components.
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FrameAluminum
SuspensionHardtail, 100mm
ForkSuntour XCT
Wheels27.5″ Aluminum
Drivetrain3 × 7
GroupsetTourney
BrakesShimano Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
BIG.SEVEN 15
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

29 mph

BIG.SEVEN 15

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

4'11" – 5'5"

SM

5'2" – 5'7"

MD

5'4" – 5'10"

LG

5'7" – 6'1"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews
Bikerumor
Affordable Merida Dirt, Big.Nine & Big.Seven Alloy Hardtails Go From Pumptrack to Trails

Aug 2025 · Cory Benson

We cover a lot of high-end, really expensive mountain bikes, but three updated Merida hardtail offerings for MY2026 show that you can get a fun…

Read Review

Geometry
Specs
Build
Frame

BIG.SEVEN TFS IV, material: aluminium, 27.5x2.25" max. wheelsize, 135x9mm axle standard, BSA bottom bracket standard

BB Standard: BSA, 73mm, Threaded

Fork

SR Suntour XCT30, Coil, 100mm suspension travel, 27.5x2.25" max. wheelsize

Travel: 100mm

Spring Type: Coil

Bottom Bracket

FSA TH-7420ST, 68-124

Headset

MERIDA M2345

Handlebar

MERIDA CC, material: aluminium, 690mm width, 15mm rise

Saddle

MERIDA Sport comfort

Seatpost

MERIDA CC, 30.9mm diameter, 15mm setback, material: aluminium

Type: Rigid

Pedals

VP VPE-891

Groupset
Rear Derailleur

Shimano RD-M300-7

Front Derailleur

Shimano FD-TY700

Crank

Shimano TY301, 42-34-24 teeth, MAT Aluminium, 170 mm (XS/S), 175 mm (M/L)

Shifters

Shimano FH-TY505-3L / Shimano FH-TY505-7R

Cassette

Shimano CS-HG200-7, 12-32 teeth, 7 speed

Chain

Sunrace CNM84

Brakes

Shimano ST-EF505, hydraulic brake

Type: Shimano Hydraulic Disc

Wheels
Rims

MERIDA CC, 17mm inner width, material: aluminium

Spokes

Black steel

Front Hub

Shimano TX505 / Shimano TY505-7, 100x9mm width front hub, 32 spoke holes, Centerlock, 135x9mm width rear hub, 32 spoke holes, Centerlock

Rear Hub

Shimano TX505 / Shimano TY505-7, 100x9mm width front hub, 32 spoke holes, Centerlock, 135x9mm width rear hub, 32 spoke holes, Centerlock

Tires

MERIDA K1080, 27.5x2.2", wire

Disc Rotors

Shimano RT10, 160 mm

Rider Notes
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First added August 17

Last updated July 19

Not listed for 314 days