Merida eBig Nine 400 2026 - Electric Mountain Bike

The Merida eBig Nine 400 is a capable electric hardtail built for mixed terrain, the eBig Nine 400 combines smooth power delivery with stable 29er handling. It’s designed to help you ride further, climb easier and enjoy more time on the trails.
Key Features:
- Lite III 6066 aluminium frame with integrated battery and modern geometry
- SR Suntour XCM34 Boost fork with 100mm travel
- Shimano CUES 1x10-speed drivetrain
- Shimano MT200 hydraulic disc brakes
- 29" wheels with Maxxis Ikon 2.2" tyres
- Internal cable routing with accessory mounts
- Integrated battery design for clean look and balance
- Available with 0% APR finance
Drive Information:
- Motor: Shimano EP6, 85Nm torque
- Battery: 630Wh integrated battery
- User Interface: Shimano SC-EN500A display and control
The Merida eBig Nine 400 is designed to make off-road riding more accessible and enjoyable, whether you’re building fitness, exploring new trails or simply looking to ride further with less effort. The lightweight aluminium frame keeps handling responsive, while neatly integrating the battery for a clean look and balanced feel on the trail.
Powered by the Shimano EP6 motor, it delivers up to 85Nm of torque with smooth, natural assistance. This helps take the edge off climbs and allows you to maintain momentum across varied terrain. The 630Wh battery offers enough capacity for longer rides, giving you the freedom to extend your time on the bike.
The SR Suntour XCM34 fork provides 100mm of travel, helping to absorb bumps and improve comfort on rough tracks and trails. Combined with 29” wheels, the bike rolls efficiently over obstacles, maintaining speed and stability on uneven ground.
A Shimano CUES 1x10 drivetrain offers simple, reliable shifting with a wide gear range, making it easy to adapt to changing gradients. Hydraulic disc brakes provide consistent stopping power in all conditions, helping you stay in control on descents and technical sections.
Maxxis Ikon tyres offer a good balance of grip and rolling efficiency, making them well suited to mixed terrain riding. With mounts for mudguards and a kickstand, the eBig Nine 400 can also adapt to more practical uses like commuting or everyday riding.
Overall, it’s a well-rounded electric hardtail that combines dependable components, modern geometry and strong motor support to help you get more from every ride.
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | Lite III - Hydroformed 6066 aluminium, integrated battery, internal cable routing, Smart entry ports. Tapered head tube, 148 x 12mm axle standard. Mounts for mudguards and kickstand. Max. tyre size 29"x2.25" with mudguards, 29"x2.35" without |
| Fork | SR Suntour XCM34-Boost LO-R DS; 100mm travel; Tapered; 44mm fork offset |
| Headset | Merida-8157 |
| Stem | Merida Expert eTRII; material: aluminium; 35mm diameter; 0 degree rise; GoPro & Supernova mount; length: 50mm |
| Bars | Merida Expert TR II; 760mm wide; 18mm rise |
| Front Brake | Shimano MT-200; 2 piston with Shimano RT30; 180mm |
| Rear Brake | Shimano MT-200; 2 piston with Shimano RTEM300; 180mm |
| Rear Mech | Shimano Cues U6000 ; GS |
| Shifters | Rear: Shimano CUES U6000-10 |
| Speed | 10 |
| Rims | Merida Comp CC II; 25mm inner rim width; material: aluminium |
| Front Hub | Shimano TC500-B; 110x15mm; 32 spoke; Centerlock |
| Rear Hub | Shimano TC500-HM-B; 148x12mm; 36 spoke; Centerlock |
| Spokes | Black stainless ; black nipples |
| Front Tyre | Maxxis Ikon; 29x2.2"; kevlar bead |
| Rear Tyre | Maxxis Ikon; 29x2.2"; kevlar bead |
| Seat Post | Merida Expert CC; material: aluminium; 34.9mm diameter; in-line |
| Saddle | Merida Comp SL; V-mount; incl. Merida minitool |
| Chainset | Shimano CRE70-B; 34 tooth chainset ; Crank: Shimano FC-EM600; 165mm |
| Bottom Bracket | included |
| Chain | Shimano LG500 |
| Cassette | Shimano LG300; 11-48 teeth; 10 speed |
| Pedals | VP VPE-537 |
| Battery Size (WH) | 630Wh |
| Motor | Shimano EP6; 85Nm |
| User Interface | Shimano SC-EN500A |
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Merida Big Nine 2026 Size Chart
|
Frame Size |
Height cm |
Height Feet / Inches |
|
XS |
< 163 cm |
<5’4” |
|
S |
157 - 173 cm |
5’2” – 5’8” |
|
M |
167 - 183 cm |
5’6” – 6’0” |
|
L |
177 - 190 cm |
5’10” – 6’3” |
|
XL |
187 - 196 cm |
6’2” – 6’5” |
|
XXL |
> 192 cm |
>6’4” |
What size frame do I need if I am between sizes? - read here
Merida Big Nine 2026 Geometry Chart
| Size | S | M | L | XL | XXL |
|---|---|---|---|---|---|
| Stack | 606 | 606 | 615 | 624 | 634 |
| Reach | 432 | 452 | 472 | 492 | 512 |
| Head Tube Length | 95 | 95 | 105 | 115 | 125 |
| Head Tube Angle | 68 | 68 | 68 | 68 | 68 |
| Bottom Bracket Drop | 65 | 65 | 65 | 65 | 65 |
| Fork Length | 506 | 506 | 506 | 506 | 506 |
| Chainstay Length | 430 | 433 | 436 | 439 | 442 |
| Wheelbase | 1123 | 1146 | 1173 | 1199 | 1226 |
| Top Tube Length (horizontal) | 591 | 611 | 633 | 655 | 678 |
| Standover Height | 704 | 704 | 710 | 731 | 752 |
| Seat Tube Length | 380 | 410 | 440 | 470 | 500 |
| Seat Tube Angle | 75.3 | 75.3 | 75.3 | 75.3 | 75.3 |
| Tyre Size | 29" | 29" | 29" | 29" | 29" |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
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Merida eBig Nine 400 2026 - Electric Mountain Bike
Cycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
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