Merida eBig Nine 400 Electric Mountain Bike Cool Grey/Matt 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 comes 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 Mountain Bike in Cool Grey/Matt Black is engineered for mountain bikers who crave an exhilarating ride with the benefit of electric assistance. With its robust aluminum frame and powerful Shimano EP8 drive unit, this bike effortlessly conquers challenging trails, while the integrated Shimano E8036 battery provides ample power for extended adventures. The 29” wheels and high-quality components ensure a smooth and comfortable experience, making it an ideal choice for both serious and recreational riders.
Merida eBig Nine 400 Electric Mountain Bike Cool Grey/Matt Black
- Powerful Shimano EP8 drive unit
- Integrated Shimano E8036 battery
- 29” wheels for smooth handling
- Shimano MT-200 hydraulic disc brakes
- Lightweight and durable aluminum frame
Enhanced Performance
The Merida eBig Nine 400 features a Shimano EP8 drive unit that delivers powerful pedal assistance, making it easier to tackle steep hills and rough terrain. This capability allows riders to enjoy longer rides without the fatigue typically associated with mountain biking.
Superior Braking Control
Equipped with Shimano MT-200 hydraulic disc brakes, the eBig Nine 400 offers exceptional stopping power in all conditions. Riders can confidently navigate challenging trails, knowing they can stop quickly and safely when needed.
Sleek and Integrated Design
The bike's integrated Shimano E8036 battery enhances its aesthetic appeal while contributing to a clean and organized frame. This thoughtful design keeps the battery protected, ensuring a lightweight and nimble ride.
What is the Merida eBig Nine 400 Mountain Bike used for?
The Merida eBig Nine 400 Mountain Bike is used for tackling challenging mountain trails with ease, thanks to its pedal-assist technology. It allows riders to enjoy longer and faster rides without excessive fatigue.
Why choose the Merida eBig Nine 400 Mountain Bike?
Choose the Merida eBig Nine 400 Mountain Bike for its powerful Shimano EP8 drive unit and integrated battery, which enhance your riding experience. Its high-quality components and durable frame ensure a reliable and enjoyable ride on any terrain.
Who is the Merida eBig Nine 400 Mountain Bike designed for?
The Merida eBig Nine 400 Mountain Bike is designed for both serious and recreational mountain bikers. It caters to those who want to explore trails with less effort while still enjoying the thrill of mountain biking.
SKU | 21MeridaeBigNine400CoolGreyMattBlack |
---|---|
Season | 2021 |
Sizing SKUs | SM: MEEB2167393, MD: MEEB2167401, LG: MEEB2167412, XL: MEEB2167423 |
Click & Collect | Yes |
eBike Drive System | Mid Drive |
Motor Brand | Shimano |
Motor Model | STePS EP8 |
Motor Torque (Nm) | 85 Nm |
Motor/Drive Unit | Shimano EP8; 85Nm |
Battery | Shimano E8036; 630Wh |
Battery Brand | Shimano |
Battery Size (Watt-Hours) | 504 W-h |
Battery Model | STePS E8035 |
Display | Shimano SC-E5003 |
Assist Modes | 4 Modes |
Charge Time (Hours) | 5 hrs |
Frame | eBIG.NINE LITE III; MAT aluminium; 29" WHS; 148x12 AST; intube |
Frame Material | Alloy |
Fork | Suntour XCM34-Boost LOR DS; 100mm; Tapered; 51mm fork offset |
Fork Brand | Suntour |
Front Travel | 100mm |
Speeds | 1 x 10 |
Front Gears | Single |
Groupset Brand | Shimano |
Groupset | Shimano Deore |
Rear Gears | 10 Speed |
Crankset | Shimano FCEM600; 165 mm for all sizes |
Pedals | VP; VPE-537 |
Chain | KMC e10s |
Brake Type | Hydraulic Disc Brake |
Brakes | Shimano MT-200; 2 piston |
Shifters | Shimano Deore M4100 10 |
Brake Levers | Shimano MT-200 |
Derailleur Rear | Shimano Deore RD M5120 10 |
Cassette | Shimano M4100; 11-46 ATC ; 10 Speed |
Wheel Size | 29" |
Tyres | Maxxis Ikon; 29x2.2"; kevlar bead |
Rims | MERIDA COMP CC; 20 IWR; MAT aluminium |
Hubs | Shimano MT400-B; 148x12 WHR; 36 SPH; Centerlock |
Spokes | Black stainless |
Bottom Bracket | included |
Handlebar | MERIDA Expert eTR; 760 WHB; 20 RHB |
Grips | MERIDA Expert EC |
Stem | MERIDA EXPERT eTRII; MAT aluminium; 35 DSH; 0 ASD |
Saddle | MERIDA Comp CC; V-mount |
Seatpost | MERIDA EXPERT CC; MAT aluminium; 34.9 DSP; 0 SSB |
Merida Ebig.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 | 37 | 43 | 47 | 51 | ST Seat Tube (mm) | 370.0 | 430.0 | 470.0 | 510.0 | TT Top Tube (mm) | 570.0 | 590.0 | 610.0 | 630.0 | CS Chain Stay Length (mm) | 440.0 | 440.0 | 440.0 | 440.0 | HTA Head Tube Angle (°) | 70.0 | 70.0 | 70.0 | 70.0 | STA Seat Tube Angle (°) | 73.0 | 73.0 | 73.0 | 73.0 | HT Head Tube (mm) | 100.0 | 115.0 | 130.0 | 145.0 | R Reach (mm) | 382.0 | 398.0 | 414.0 | 429.0 | S Stack (mm) | 614.0 | 628.0 | 642.0 | 656.0 | WB Wheel Base (mm) | 1069.0 | 1090.0 | 1110.0 | 1131.0 |