Merida eBig.Nine 400 EQ Electric Hardtail Mountain Bike 630Wh Battery Cool Grey/Black
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The Merida eBig.Nine 400 EQ is a versatile electric hardtail mountain bike designed for both off-road adventures and urban commuting. Featuring a powerful Shimano EP6 motor and a robust 630Wh battery, this bike ensures you can tackle hills and long distances with ease. Its Suntour suspension fork and hydraulic disc brakes provide excellent control and stability, making it suitable for various terrains. With practical accessories like lights, a kickstand, a rack, and mudguards, the eBig.Nine 400 EQ is ready for any journey.
Merida eBig.Nine 400 EQ Electric Hardtail Mountain Bike 630Wh Battery Cool Grey/Black
- Shimano EP6 mid-drive motor, 85Nm torque
- Integrated 630Wh battery for extended range
- Suntour 100mm suspension fork for comfort
- 1x10 Shimano CUES drivetrain for versatility
- Equipped with lights, kickstand, and mudguards
Powerful Motor Performance
The Shimano EP6 mid-drive motor delivers an impressive 85Nm of torque, making steep climbs and challenging trails manageable. This power boost enhances your riding experience, allowing you to explore further and tackle diverse terrains.
Comfortable Ride with Suspension
Equipped with a 100mm Suntour suspension fork, the eBig.Nine 400 EQ absorbs bumps and rough surfaces effortlessly. This feature ensures a smooth and comfortable ride, whether you're navigating city streets or venturing off the beaten path.
Complete Commuter Package
The EQ version comes fully equipped with essential accessories like lights, a kickstand, and mudguards. This thoughtful design makes it an ideal choice for daily commuting, ensuring you have everything you need for a practical and enjoyable ride.
What is the Merida eBig.Nine 400 EQ used for?
The Merida eBig.Nine 400 EQ is great for off-road riding as well as urban commutes on varied terrain. This is thanks to its combination of 100mm suspension to absorb the bumps, Shimano EP6 motor to power up hills, and standard inclusions of lights, kickstand, mudguards, and rack to make it a practical commuter.
Why choose the Merida eBig.Nine 400 EQ?
The Merida eBig.Nine 400 EQ stands out due to its powerful motor and integrated battery, providing excellent performance for both commuting and off-road adventures. Its practical accessories enhance usability, making it a versatile choice for various riding needs.
Who is the Merida eBig.Nine 400 EQ designed for?
The Merida eBig.Nine 400 EQ is designed for riders looking for a comfortable upright position when commuting or heading off-road. The Shimano 1x10 drivetrain provides a wide gearing range for those looking to ride faster on bike paths and roads.
SKU | Merida25eBIGNINE400EQCoolGreyBlack |
---|---|
Season | 2025 |
Sizing SKUs | SM: MEEB2500017, MD: MEEB2500018, LG: MEEB2500019, XL: MEEB2500020 |
Click & Collect | Yes |
eBike Drive System | Mid Drive |
Motor Brand | Shimano |
Motor/Drive Unit | Shimano EP6; 85Nm 25KPH |
Battery | Shimano EN806; 630Wh |
Display | Shimano SC-EN500A |
Colour | Grey |
Frame | eBIGNINE LITE III MAT aluminium 29x235 without fender max 29x225 with fender max WHS 148x12 AST intube |
Frame Material | Alloy |
Fork | Suntour XCM34-Boost LOR DS; 100mm; Tapered; 51mm fork offset; 29x2.4" max WHS |
Fork Brand | Suntour |
Front Travel | 100mm |
Speeds | 1 x 11 |
Front Gears | Single |
Groupset Brand | Shimano |
Rear Gears | 11 Speed |
Crankset | Shimano FC-EM600; 165 mm for all sizes |
Pedals | VP VPE-537 |
Chain | Shimano LG500 |
Brake Type | Hydraulic Disc Brake |
Derailleur Rear | Shimano CUES U6000; GS |
Wheel Size | 29" |
Rims | MERIDA COMP CC II; 25 IWR; MAT aluminium |
Bottom Bracket | included |
Handlebar | MERIDA EXPERT CC; MAT aluminium; 720 WHB; 10 RHB |
Headset | MERIDA-8155 (for the steerer 1-1/8"~1.5") |
Grips | MERIDA EXPERT TK |
Stem | MERIDA EXPERT CT; MAT aluminium; 31.8 DSH; adjustable |
Saddle | MERIDA EXPERT TK; V-mount |
Seatpost | MERIDA EXPERT CC; MAT aluminium; 34.9 DSP; 0 SSB |
Merida Big Nine Sizing Chart

Legend
ST Seat Tube
TT Top Tube
CS Chain Stay Length
HTA Head Tube Angle
STA Seat Tube Angle
BD Bottom Bracket Drop
HT Head Tube
FL Fork Length
R Reach
S Stack
WB Wheel Base
Size |
SM | MD | LG | XL | Wheel Size | 29" | 29" | 29" | 29" | Frame Size | SM | MD | LG | XL | ST Seat Tube (mm) | 380 | 430 | 480 | 530 | TT Top Tube (mm) | 588 | 605 | 625 | 645 | CS Chain Stay Length (mm) | 465 | 465 | 465 | 465 | HTA Head Tube Angle (°) | 67.5 | 67.5 | 67.5 | 67.5 | STA Seat Tube Angle (°) | 74.5 | 74.5 | 74.5 | 74.5 | HT Head Tube (mm) | 115 | 120 | 130 | 140 | R Reach (mm) | 411 | 427 | 445 | 462 | S Stack (mm) | 636 | 640 | 650 | 659 | WB Wheel Base (mm) | 1165 | 1183 | 1204 | 1225 |