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Trail eMTBDISCOVER · COMPARE · RIDE · Merida eBig.Nine 400 EQ electric hardtail in Silk Dove Blue, side profile on white background
Current Australian model · checked 9 Oct 2026

Merida eBig.Nine 400 EQ

$3,41999 Bikes sale price against a stated full price of $5,699.Source: 99bikes.com.au, checked 9 Oct 2026
TBC kmRange
630 WhBattery
TBC NmTorque
25 km/hTop assist
In stock · mid drive · Listed as available in at least one size at 99 Bikes when checked (9 Oct 2026).
Overview

Merida eBig.Nine 400 EQ (2026) at a glance

The Merida eBig.Nine 400 EQ is a trail emtb e-bike sold in Australia at $3,419 (price checked 9 Oct 2026). It pairs a Shimano mid drive motor, a 630Wh battery, 29 inch wheels.

The quick read

Is it for you?

Best suited to

Riders who want a hardtail eMTB that also works as a commuter, with mudguards and a rack.

Standout strength

A 630Wh battery and EQ equipment on a 29 inch hardtail at a big discount when checked.

The main compromise

No rear suspension, and the equipment adds weight on the trail.

Every number

Full specification

Drive and power
MotorShimano, mid drive
Battery630 Wh
Top assisted speed25 km/h
Frame and ride
FrameAlloy hardtail, equipped
Wheel size29 inch
BrakesHydraulic disc
Road-legal clarity

Australian compliance

unverified

Road-legal status is not yet verified for this model.

250 WRated motor
25 km/hAssist cutoff
NoThrottle

99 Bikes lists a Shimano mid-drive and 630Wh battery but does not state the rated power or assist cut-off.

Head to head with its sibling

eBig.Nine 400 EQ vs eBig.Nine 400

Merida eBig.Nine 400 EQMerida eBig.Nine 400
Price$3,419$3,549
MotorShimano, mid driveShimano STePS EP6, mid drive
TorqueTBC85 Nm
Battery630 Wh630 Wh
Claimed rangeTBC73 km
WeightTBCTBC
FrameAlloy hardtail, equippedAlloy hardtail
Wheels29 inch29 inch
CategoryTrail eMTBTrail eMTB
AvailabilityIn stockIn stock

Choose the eBig.Nine 400 EQ if

it costs $130 less.

Choose the eBig.Nine 400 if

you prefer its frame, fit or finish; the core numbers are close, so fit and dealer support should decide it.

Compare in full
Where it fits

How you would ride it

Trail eMTBCity & commutingTrail ridingWeekend adventurehardtailfully equippedshimano
M

Merida

Cross-shop

Compare similar e-bikes

Good to know

Common questions

How much does the Merida eBig.Nine 400 EQ cost in Australia?

The Merida eBig.Nine 400 EQ is listed at $3,419 (99 Bikes sale price against a stated full price of $5,699.). eBikeFinder checks pricing against manufacturer and distributor information, and prices can change with sales and stock. This price was last checked on 9 Oct 2026.

Is the Merida eBig.Nine 400 EQ road legal in Australia?

Its compliance is listed as unverified on eBikeFinder. A road-legal Australian e-bike is limited to 250W of pedal-assist power that cuts out at 25 km/h, with any throttle capped at 6 km/h. Confirm the Merida eBig.Nine 400 EQ meets those limits with the seller before riding on the road.

What motor does the Merida eBig.Nine 400 EQ have?

The Merida eBig.Nine 400 EQ uses a Shimano motor, in a mid-drive position. Mid-drive motors climb hills better because they work through the bike's gears.