Merida eBig.Nine 400 Electric Hardtail Mountain Bike Cool Grey/Black
Up to 12 months interest free
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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 is engineered for durability and performance on rugged trails. Featuring a robust Shimano EP6 motor and a 630Wh battery, this bike offers powerful assistance and extended range, making it perfect for adventurous rides. The Suntour XCM34 fork provides 100mm of front travel, while Shimano hydraulic disc brakes ensure reliable stopping power, allowing riders to tackle various terrains with confidence.
Merida eBig.Nine 400 Electric Hardtail Mountain Bike Cool Grey/Black
- 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
The Merida eBig.Nine 400 is equipped with a Shimano EP6 motor that delivers 85Nm of torque. This feature provides excellent assistance on steep climbs and challenging trails, enhancing your riding experience.
Extended 630Wh Battery Capacity
With its substantial 630Wh battery, the Merida eBig.Nine 400 allows riders to explore further without the worry of frequent recharges. This extended range is ideal for long mountain biking adventures.
Responsive Suntour XCM34 Fork
The Suntour XCM34 fork with 100mm of travel absorbs shocks and bumps effectively. This ensures a smooth and comfortable ride across diverse terrains, making it a reliable choice for off-road enthusiasts.
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 |
Shipped Nationally | Yes |
eBike Drive System | Mid Drive |
Motor Brand | Shimano |
Motor Model | STePS EP6 |
Motor Torque (Nm) | 85 Nm |
Motor/Drive Unit | Shimano EP6; 85Nm 25KPH |
Battery | Shimano EN806; 630Wh |
Battery Brand | Shimano |
Battery Size (Watt-Hours) | 630 W-h |
Battery Model | Shimano EN806 |
Display | Shimano SC-EN500A |
Assist Modes | 4 Modes |
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 |
Groupset | Shimano Cues |
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 |