Use my current location Merida eBig.Nine 400 Electric Hardtail Mountain Bike Cool Grey/Black
Up to 12 months interest free
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 come with a complimentary free tune-up and safety check.
Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.
The Merida eBig.Nine 400 Electric Hardtail Mountain Bike combines the durability of a hardtail with electric performance for trails and off-road adventures. Its robust Shimano EP6 motor provides powerful assistance, while the integrated 630Wh battery delivers extended range for longer rides. Featuring a Suntour XCM34-Boost fork with 100mm of front travel, Shimano hydraulic disc brakes, and a Shimano CUES drivetrain, this e-MTB ensures stability, control, and a smooth ride, making it ideal for riders looking to conquer various terrains.
Merida eBig.Nine 400 Electric Hardtail Mountain Bike
- Shimano EP6 motor for powerful assistance
- 630Wh battery for extended range
- Suntour XCM34 fork with 100mm travel
- Shimano hydraulic disc brakes for control
- Durable aluminum frame with integrated battery
Powerful Shimano EP6 Motor
Equipped with the Shimano EP6 motor, the Merida eBig.Nine 400 provides 85Nm of torque, offering excellent assistance on steep climbs and challenging trails.
Extended 630Wh Battery Capacity
With a 630Wh Shimano battery, this bike offers substantial range, allowing riders to explore further without frequent recharges.
Responsive Suntour XCM34 Fork
The Suntour XCM34 fork with 100mm of travel absorbs shocks and bumps, delivering a smooth and comfortable ride on diverse terrains.
What is the Merida eBig.Nine 400 used for?
The Merida eBig.Nine 400 is designed for off-road trails and rugged terrains, providing reliable motor assistance and stability for extended mountain biking adventures.
Why choose the Merida eBig.Nine 400?
Choose the Merida eBig.Nine 400 for its powerful Shimano motor, durable frame, and high-capacity battery that ensures long-range, efficient, and enjoyable rides.
Who is the Merida eBig.Nine 400 designed for?
The Merida eBig.Nine 400 is crafted for mountain biking enthusiasts seeking a hardtail e-bike that delivers dependable performance on varied terrains with electric assistance.
| SKU | Merida25eBIGNINE400CoolGreyBlack |
|---|---|
| Season | 2025 |
| Sizing SKUs | SM: MEEB2500025, MD: MEEB2500026, LG: MEEB2500027, XL: MEEB2500028 |
| Click & Collect | Yes |
| Motor/Drive Unit | Shimano EP6; 85Nm 25KPH |
| Battery | Shimano EN806; 630Wh |
| Battery Brand | Shimano |
| 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 MERIDA EXPERT TR II; 760 WHB; 18 RHB |
| Headset | MERIDA-8157 |
| Grips | MERIDA EXPERT EC |
| Stem | MERIDA EXPERT eTRII; MAT aluminium; 35 DSH; 0 ASD; GoPro & Supernova mount |
| Saddle | MERIDA COMP SL; V-mount; incl. MERIDA minitool |
| 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 |