Biktrix Juggernaut Classic 9 750W 48V/19Ah Fat Tire Mid-Drive Electric Bicycle with up to 9 Levels of Pedal Assist (PAS) and Thumb Throttle
New stock - Latest model. Limited Supply.
There is nothing like the feel of a mid-drive motor fat tire eBike, and Biktrix knows how to build the best.
The Juggernaut Classic 9 provides plenty of power and torque to climb hills, charge through tough terrain, or speed down city streets. Whether you're looking for adventure or a reliable year-round commuter bike, the Juggernaut Classic 9 will get the job done. It's robust and capable without breaking the bank.
Disclaimer: this bike is not designed to use for competitive cycling or downhill mountain biking.
Features of the Biktrix Juggernaut Classic 9 Fat Tire Mid-Drive eBike
- Powerful and efficient 750W nominal, 1200W peak motor (120Nm of torque)
- Mid-drive motor - The mid-drive motor will let you roam cities, climb hills, and explore with ease
- Removable battery - All our bikes have removable batteries. Each bike comes with a unique key that's necessary to unlock the battery
- 25-50 miles range based on battery choice (depending on rider's weight and riding conditions)
- Up to 9 programable Levels of Pedal Assist to find just the right amount of help from the motor
- Hydraulic brakes, for maximum stopping power
- Fat Tires - Sand, mud, and snow are no problem for these tires. The Classic 9 is for all-season, all-terrain riding
- Shimano 8-speed transmission
- Big and easy to read LCD display
- RST Guide suspension fork
- Integrated front light - Never ride blind again. Our bikes come with front lights integrated with the main battery of the bike
- Includes fenders, and rear rack (value $100)
Packed with high-end components like a removable lithium-ion 48V battery and a 1200 Watt peak motor, you are set up for the most fun you can have on a bicycle. This is the first electric fat tire bike that has a custom BBS02 motor built into the frame - more ground clearance than any other BBS powered bikes.
The Juggernaut Classic 9 is a rock-solid built beauty with a head-turning style.

Throttle & control pad
The Juggernaut Classic 9 comes with throttle-on-demand and cadence/PAS (Pedal Assist Sensor). As you pedal, the motor measures how often you're pedaling and helps you proportionally. You can boost motor performance by setting assist levels between 1 to 5 (or 1-9) levels where level 1 gives you the least assist but most range while level 5 gives you maximum assist and least range.

Removable 48V battery
The battery is easily removed with a quick-release mechanism.

750W Mid-drive motor
The mid-motor makes this bike very versatile. Mid-drive motors are much more efficient than hub drives as they can use the bike's gears as transmission. Climb the steepest hills. Conquer anything.

LCD display
The display of the Biktrix Juggernaut Classic 9 Fat Tire Mid-rive eBike shows you all kinds of important information about your ride including speed, battery life, range, odometer, pedal assist level, and more.

8-speed transmission

160mm disc brakes

RST Guide suspension
80mm of travel with preload and lockout.

Integrated headlight
The bright, bike battery-powered, LED is controlled on the handlebar control pad.

Personalize your Biktrix eBike and build a bike that is just perfect for you. Increase your bike’s functionality and boost your experience.
Three ways to ride the Biktrix Juggernaut Classic 9 Fat Tire Mid-Drive eBike
- Pedal only (with no help from the motor)
- Pedal Assist (with 9 levels of assist to choose from)
- Throttle only (effortless like a motorcycle)
The Biktrix Juggernaut Classic 9 Fat Tire Mid-Drive can be used as a normal bike where the rider provides all the power, or you can use just the throttle and let the bike do all of the work. There is also an in-between option, Pedal Assist, where the rider pedals and the motor provides a great boost at the same time. You can choose the level that is right for your type of riding. The Levels of Pedal Assist allow for increased ride efficiency, resulting in less strain on your knees while riding. It makes riding fun and effortless.
Specifications of the Biktrix Juggernaut Classic 9 Fat Tire Mid-Drive eBike
FRAME | 6061 ALUMINUM | ||
FORK | RST GUIDE W/80MM TRAVEL, LOCKOUT & REBOUND | ||
HEADSET | THREADLESS 1-1/8 1-1/2 TAPERED | ||
SHIFTER REAR |
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REAR DERAILLEUR | SHIMANO ALTUS 8 SPEED | ||
CASSETTE | SHIMANO 11-34T | ||
CHAIN | KMC Z8 | ||
CRANK SET | 42T CHAINRING W/ 170MM ARMS | ||
BOTTOM BRACKET | BAFANG 68MM SQUARE TAPER | ||
FRONT HUB | 135MM 36H | ||
FRONT AXLE/SKEWER | 5MM QR | ||
REAR HUB | 190MM 36H | ||
REAR AXLE/SKEWER | 5MM QR | ||
RIMS | 26" BLACK WITH ROUND CUTOUTS/27.5" SOLID BLACK | ||
TIRES | 26X4", 27.5X3" | ||
BRAKES | BIKTRIX DUAL PISTON BRAKES W/ HYDRAULIC 160MM ROTORS | ||
BRAKE LEVERS | BIKTRIX W/ADJUSTABLE REACH AND MOTOR CUTOFFS | ||
HANDLEBAR | 31.8 CLAMP, 700MM WIDE, 20MM RISE | ||
STEM | PROMAX ADJUSTABLE 70MM | ||
GRIPS | SLIDE ON GRIPS | ||
SEAT POST | ALUMINUM 28.6MM | ||
SEAT POST CLAMP | QR | ||
SADDLE | VELO PLUSH NARROW SADDLE | ||
MOTOR | BAFANG BBS02 | ||
DISPLAY | 800S BACKLIT LCD DISPLAY | ||
LIGHTS | WIRED HEADLIGHT, BATTERY POWERED TAILLIGHT | ||
THROTTLE | THUMB THROTTLE | ||
ASSIST LEVELS | 0-5 (1-3, 1-9) | ||
ASSIST TYPE | CADENCE | ||
OTHER | FENDERS, REAR RACK, CENTER MOUNT KICKSTAND |
Frame size - 18 inch

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BIKE GEOMETRY
SPECIFIACTIONS | |||
MM | INCHES | ||
1 | EFFECTIVE TOP TUBE LENGTH | 580 | 22.8 |
2 | SEAT TUBE LENGTH (CLASSIC BIKE SIZE) | 480 | 18.9 |
3 | REACH | 480 | 18.9 |
4 | STACK | 630 | 24.8 |
5 | CHAINSTAY LENGTH | 520 | 20.5 |
6 | STANDOVER HEIGHT | 740 | 29.1 |
7 | HEAD ANGLE | 72 DEGREES | |
8 | SEAT ANGLE | 73.5 DEGREES | |
9 | HEAD TUBE LENGTH | 150 | 5.9 |
10 | FORK LENGTH | 530 | 20.9 |
11 | FRONT CENTER | 700 | 27.6 |
12 | BB (BOTTOM BRACKET) DROP | 60 | 2.4 |
13 | FORK OFFSET | 40 | 1.6 |
14 | WHEELBASE | 1210 | 47.6 |
15 | TOTAL LENGTH | 1980 | 78 |
16 | MAX SEAT HEIGHT | 1010 | 39.8 |
17 | MIN SEAT HEIGHT | 850 | 33.5 |
18 | HANDLEBAR HEIGHT | 1140 | 44.9 |
19 | WEIGHT (WITHOUT BATTERY) | 28.7 KG | 63.3 LB |
Download Biktrix Juggernaut Classic Fat Tire Mid Drive eBike manual HERE
Download Old Juggernaut User Manual HERE (very useful for all Biktrix eBikes)
Videos of the Biktrix Juggernaut Classic 9 Fat Tire Mid-Drive eBike
