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Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike Metallic Black/Gunmetal Grey

Brand: Merida

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Moderately Steep Hills / 60 Nm Torque

Up to 61 km Range

Shimano STePS EP5 Motor

Alloy Frame/ Suntour Fork

100mm Front Travel

504Wh Battery

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Product Details

Description

The Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike is designed for those who crave adventure on rugged trails. Equipped with a powerful Shimano motor and a long-lasting 504Wh battery, this bike ensures you have the power and range to tackle any terrain with ease. Its durable alloy frame and 29-inch wheels provide stability and comfort, while Shimano hydraulic disc brakes offer reliable stopping power. Whether you're climbing steep hills or cruising through forest paths, this bike delivers a smooth and enjoyable ride.

Key Features

Powerful Shimano motor with 60Nm torque
Long-lasting 504Wh Shimano battery
Durable alloy frame for rugged trails
Shimano hydraulic disc brakes for safety
29-inch wheels for smooth ride

Specifications

Product Overview

Product

Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike Metallic Black/Gunmetal Grey

Brand

Merida

Parent SKU

5ZG982PN

Size SKUs

MD: MEEB2601710
LG: MEEB2601711
XL: MEEB2601712

Year Model

2026

Product Features

Frame Material

Alloy

Frame Style

Crossbar

Colour

Black

Brake Type

Hydraulic Disc Brake

Gears

1 x 8

Front Travel

100mm

Motor and Battery System

Motor Brand

Shimano

Motor

Shimano EP5, 60Nm

Torque (Nm)

Motor Climbing Ability

Moderately Steep Hills

Battery Size (Watt-Hours)

504

Battery

Shimano EN604 Battery, 504Wh

Max. Range (KMs)

Display

Shimano SC-EN500,

Build

Frame

eBIG.NINE LITE

Fork

Suntour XCM34-Boost LOR DS, 100mm, Tapered, 51mm fork offset, 29x2.4" max WHS,

Handlebars

MERIDA EXPERT, MAT aluminium, 680 WHB, 15 RHB

Headset

MERIDA-2341 (for the steerer 1-1/8"~1.5"),

Grips

MERIDA COMP TK,

Stem

MERIDA COMP CC, MAT aluminium, 31.8 DSH, 7 ASD; 90 mm all sizes,

Pedals

VP VPE-891,

Saddle

MERIDA Expert TK, 168 width

Seat Post

MERIDA COMP CC, MAT aluminium, 30.9 DSP, 0 SSB

Seat Clamp

MERIDA EXPERT,

Wheels

Rims

MERIDA COMP TK, 20 IWR, MAT aluminium,

Hubs

F: Shimano QC300, 100x9 WHF, 32 SPH, Centerlock | R: Shimano TC500-HM-B, 148x12 WHR, 36 SPH, Centerlock

Tyres

F: Kenda Booster, 29x2.2", wire, | R: Kenda Booster, 29x2.2", wire,

Groupset

Crankset

Prowheel EB11, 165mm for all sizes; Prowheel Pro38P-S16-49, 38t

Chain

KMC Z8.3 EPT,

Brakes

Shimano MT-200, 2 piston

Front Rotor

Shimano RT10, 180 mm

Rear Rotor

Shimano RT10, 180 mm

Shifters

Shimano ALTUS,

Rear Derailleur

Shimano Essa,

Cassette

8 Speed

Frequently Asked Questions

What is the Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike used for?

The Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike is used for off-road riding, tackling rugged trails and steep climbs with electric assist, and for longer mixed-terrain rides where extra range and power help you go further.

Why choose the Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike?

Choose the Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike for its Shimano EP5 60Nm motor and 504Wh battery combo, durable alloy frame, 29" wheels and Shimano hydraulic brakes—delivering powerful assist, range, stability and reliable stopping performance.

Who is the Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike designed for?

The Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike is designed for trail riders and adventure seekers who want electric assistance for longer rides and tougher climbs, plus riders who value a rugged, dependable hardtail platform.

Disclaimer

Please Note: Before using this vehicle, check the applicable local laws relating to your intended use of the vehicle on roads and road related areas. Please ride responsibly and follow your local laws. We do not recommend modifying your electric bike or electric scooter.

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PERFECT RIDE GUARANTEE

If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

FREE BIKE BUILD

We'll build your bike for free when you click and collect at any 99 Bikes store.

FIRST FREE TUNE-UP

Every bike comes with a complimentary free tune-up and safety check. Learn more »

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Powerful Shimano EP5 Motor (60Nm)

A 250W Shimano STePS EP5 motor delivers 60Nm of torque for confident climbs and strong pedal assist. Enjoy smooth, immediate power when the trail steepens.

Long-range 504Wh Shimano Battery

The Shimano EN604 504Wh battery gives extended ride time for longer adventures without frequent recharging. Ride further with reliable, integrated power.

Trail-ready Stability & Control

A durable alloy frame, 29-inch wheels and Suntour 100mm fork provide stability and rollover comfort on rough terrain. Shimano hydraulic disc brakes ensure precise, reliable stopping power.

Not sure what sized bike is best?

Answer a few short questions and we'll make a recommendation on which size is best for you.

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Legend

Available size

Current size

Unavailable size

Suggested sizing

Merida eBig.Nine 300 SE 504Wh Electric Hardtail Mountain Bike Metallic Black/Gunmetal Grey geometry diagram

Legend

ST Seat Tube
STA Seat Tube Angle
R Reach
TT Top Tube
BD Bottom Bracket Drop
S Stack
CS Chain Stay Length
HT Head Tube
WB Wheel Base
HTA Head Tube Angle
FL Fork Length

Stack

634

643

652

Reach

402

420

437

Top Tube Length

590

610

630

Seat Tube Length

430

480

530

Seat Tube Angle

73.5

Fork Length

511

Head Tube Length

115

125

135

Head Tube Angle

115.0

125.0

135.0

Handlebar Height

Bottom Bracket Drop

Chainstay Length

Wheelbase

Standover Height

733

777

819

Minimum Seat Height

Maximum Seat Height

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