Biktrix Juggernaut Classic Duo 750W 52V/17.5Ah Step-Over Fat Tire Mid-Drive Electric Bicycle with 5 Levels of Pedal Assist (PAS) and Thumb Throttle
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Go twice as far and never worry about your range. The Juggernaut Classic Duo Step-Over Fat Tire Mid-Drive eBike features our dual-integrated battery technology, a powerful mid-drive motor, and an RST Guide suspension fork. Perfect for commuting on the street or ripping up hills off-road. And more ground clearance than any other Bafang BBSHD-powered eBike. Simply put, it’s a ton of fun.
Features of the Biktrix Juggernaut Classic Duo Step-Over Fat Tire Mid Drive eBike
- Powerful 750W nominal motor
- Mid-drive motor - The mid-drive motor will let you roam cities, climb hills, and explore with ease
- Max torque - Get all the power you can handle, together with exceptional build quality and 120Nm of torque
- Dual integrated battery system
-
Up to 90 miles range, depending on your battery choice, rider's weight, and riding conditions
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5 Levels of Pedal Assist (PAS) to find just the right amount of help from the motor
- Cadence sensor makes Pedal Assist smooth and powerful
- Fat Tires - Whether you're up against sand, mud, or snow, these tires will handle it without breaking a sweat. The Classic Duo is ready for all-season, all-terrain riding
- Hydraulic disc brakes, for maximum stopping power in all conditions
- Shimano 9-speed (gears) transmission
- Big and easy-to-read LCD display
- Integrated front light - Never ride blind again. Our bikes come with front lights integrated with the main battery of the bike
- Fenders and rear rack included for FREE
- Up to 330 lbs. load capacity (depends on the fork you choose)
Feel free to contact us about accessories and other upgrades - (upgraded lights, suspension seat post, saddlebags, mirror, handlebars)
The Juggernaut Classic Duo Step-Over Fat Tire Mid-Drive electric bike comes with throttle-on-demand and cadence PAS (pedal assist sensor).
Bafang BBS02 750W mid-drive motor
The mid-motor makes the Juggernaut Classic Duo very versatile. It features 750 watts of power and 120Nm of torque. It provides increased efficiency, performance, and handling. Climb the steepest hills. Conquer anything.

Thumb-throttle & control pad
Just a push of the thumb and this becomes a motorbike. The control pad allows you to turn the bike on/off and customize your riding experience. Just sit back and enjoy the ride.


LCD display
The LCD display shows you all kinds of important information about your ride including speed, battery life, range, odometer, pedal assist level, and more.

Hydraulic disc brakes
Get strong & dependable stopping power from the hydraulic disc brakes
RST guide suspension fork
The RST Guide Suspension fork provides control, traction, and comfort, making for an even, smooth ride every time. It is just one of the many Juggernaut Classic Duo Step-Over Fat Tire Mid-Drive features that add to the enjoyment of your eBike ride.

Drivetrain
From climbing hills to holding maximum speed on the flats, the Shimano 9-speed drivetrain has you covered.

Integrated headlight
A bright LED will light your way when the sun goes down. It's powered by the bike's battery and can be turned on/off with a button on the handlebar control pad.

Rack and fenders
These fenders will keep you and your bike clean. Need to carry some gear? Strap on the rear rack and make your way.

Sturdy, powerful, and of great quality. The Biktrix Juggernaut Classic Duo 750W 52V Step-Over Fat Tire Mid Drive eBike is a dream to ride around.


Three ways to ride the Biktrix Juggernaut Classic Duo Step-Over Fat Tire Mid Drive eBike
- Pedal only (with no help from the motor)
- Pedal Assist (with 5 levels of assistance to choose from)
- Throttle only (effortless like a motorcycle)
The Biktrix Juggernaut Classic Duo Step-Over Fat Tire Mid-Drive eBike 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 Duo 750W 52V Step-Over Fat Tire Mid Drive eBike
FRAME |
6061 Aluminum
|
BRAKES |
Tektro E350 dual piston w/180mm rotors
|
BATTERY SIZES |
Total capacity of 52V 34.5Ah 1794Wh:
52V 17.5Ah 910Wh (Internal battery) + up to 52V 17Ah 884Wh (External range extender battery) |
FORK |
RST Guide w/lockout, preload & 80mm travel
|
BRAKE LEVERS |
Tektro adjustable
|
HEADSET |
Threadless 1-1/8 1-1/2 tapered
|
HANDLEBAR |
31.8mm clamp, 700mm wide, 80mm rise
|
SHIFTER REAR |
Shimano Alivio 9 speed trigger shifter
|
STEM | Promax 90mm |
REAR DERAILLEUR |
Shimano Alivio 9 speed
|
GRIPS | Slide on |
CASSETTE | 11-34T |
SEAT POST | 27.2mm |
CHAIN | KMC X9 |
SEAT POST CLAMP | QR |
CRANK SET |
170mm arms 44T chainring
|
SADDLE | Wide saddle |
BOTTOM BRACKET |
Bafang square taper
|
MOTOR |
750W BBS02 Mid-drive
|
FRONT HUB | 135mm 36H |
DISPLAY | DPC-18 |
FRONT AXLE/SKEWER | 5mm QR |
LIGHTS |
Integrated headlight, taillight
|
REAR HUB | 170mm 36H |
THROTTLE |
Thumb throttle
|
REAR AXLE/SKEWER | 5mm QR |
ASSIST LEVELS | 0-5 |
RIMS | Black 36H |
ASSIST TYPE | Cadence |
TIRES | 26x4", 27.5x3" |
OTHER |
Front and rear fenders, rear rack, kickstand
|

17" STEP-OVER | 18.5" STEP-OVER | ||||
1 | Effective Top Tube Length | 620 mm | 24.4 inches | 640 mm | 25.2 inches |
2 | Seat Tube Length (Classic Bike Size) | 420 mm | 16.5 inches | 470 mm | 18.5 inches |
3 | Reach | 420 mm | 16.5 inches | 450 mm | 17.7 inches |
4 | Stack | 700 mm | 27.6 inches | 670 mm | 26.4 inches |
5 | Chainstay Length | 530 mm | 20.9 inches | 530 mm | 20.9 inches |
6 | Standover Height | 660 mm | 26 inches | 710 mm | 28 inches |
7 | Head Angle | 68 ° | - | 68 ° | - |
8 | Seat Angle | 71 ° | - | 71 ° | - |
9 | Head Tube Length | 190 mm | 7.5 inches | 190 mm | 7.5 inches |
10 | Fork Length | 530 mm | 20.9 inches | 530 mm | 20.9 inches |
11 | Front Center | 750 mm | 29.5 inches | 760 mm | 29.9 inches |
12 | BB (Bottom Bracket) Drop | 65 mm | 2.6 inches | 65 mm | 2.6 inches |
13 | Fork Offset | 35 mm | 1.4 inches | 35 mm | 1.4 inches |
14 | Wheelbase | 1250 mm | 49.2 inches | 1250 mm | 49.2 inches |
15 | Total Length | 1990 mm | 78.3 inches | 2000 mm | 78.7 inches |
16 | Max Seat Height | 930 mm | 36.6 inches | 1010 mm | 39.8 inches |
17 | Min Seat Height | 770 mm | 30.3 inches | 840 mm | 33.1 inches |
18 | Handlebar Height | 1140 mm | 44.9 inches | 1170 mm | 46.1 inches |
19 | Weight (Without Battery) | 32.5 kg | 71.7 lb | 32.5 kg | 71.7 lb |
Videos of the Biktrix Juggernaut Classic Duo 750W 52V Step-Over Fat Tire Mid Drive eBike
