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2024 Merida

BIG.NINE 80

A 29″ aluminum frame full suspension crosscountry bike with upper mid-range components.

Manufacturer Price

NZ$1,399($834)
Weight31.7 lbs  
FrameAluminum
SuspensionFull, 100 / 100mm
ForkRockShox Judy
Wheels29″ Aluminum
Drivetrain1 × 9
GroupsetCUES
BrakesShimano Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
BIG.NINE 80
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)

25 mph

BIG.NINE 80

27 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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

off.road.cc
Merida BIG.NINE 5000 2021 review

Jul 2020

The 2021-model Merida BIG.NINE 5000 is a well rounded XC bike that makes light work of longer rides, but is still capable enough to make the downhills fun. Its well-rounded spec and decent fork mean its good right out of the box, but that lightweight carbon frame means it's entirely worthy of longterm upgrades.

Read Review

Geometry
Specs
Build
Frame

BIG.NINE TFS IV, 100 mm suspension travel, material: aluminum, 29x2.25" max. wheelsize, 135x9 mm axle standard, BSA bottom bracket standard

BB Standard: BSA, 100mm, Threaded

Fork

Rock Shox Judy TK, Coil, 100 mm suspension travel Lockout, 46 mm fork offset, 29x2.25" max. wheelsize

Travel: 100mm

Spring Type: Coil

Bottom Bracket

Shimano BB-UN101 73-123

Headset

MERIDA M2345

Handlebar

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

Saddle

MERIDA Sport comfort

Seatpost

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

Type: Rigid

Pedals

VP VPE-891

Groupset
Rear Derailleur

Shimano CUES U4000-9, GS

Crank

Shimano CUES U4000, 32 teeth, MAT Aluminium, 170 mm-S, 175 mm-M up

Shifters

Shimano CUES U4000-9R

Cassette

Shimano CUES LG300-9, 11-46 teeth, 9 speed

Chain

Shimano CN-LG500

Brakes

Shimano BR-MT200, hydraulic brake

Type: Shimano Hydraulic Disc

Wheels
Rims

MERIDA CC, 17 mm inner width, material: aluminium

Spokes

Black steel

Front Hub

Shimano HB-QC300, 100x9 mm width front hub, 32 spoke holes, Centerlock

Rear Hub

Shimano FH-QC300, 135x9 mm width rear hub, 32 spoke holes, Centerlock

Tires

MERIDA K1080, 29x2.2", wire

Disc Rotors

Shimano RT10, 160 mm

Rider Notes
Riders Also Viewed

First added October 14

Last updated February 15

Not listed for 468 days