Biktrix Juggernaut Ultra Duo 2 1000W 52V Step-Over Fat Tire Mid Drive Electric Bicycle with 5 Levels of Pedal Assist and Thumb Throttle
New stock - Latest model. Limited Supply.
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The Juggernaut Duo Series is all about flexibility. Hub-drive or mid-drive, step-over or step-thru, single battery or dual battery (*), entry-level or high-end. No matter your needs, there's probably a Duo for you.
(*) This option adds an extra battery that mounts on top of the frame which doubles the range of the stock battery.
Features of the Biktrix Juggernaut Ultra Duo 2 1000W 52V Step-Over Fat Tire Mid Drive eBike
- Powerful 1000W Bafang mid-drive 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 the exceptional build quality and 160Nm of torque
- Dual integrated battery system
Up to 90 miles range, depending on your battery choice, rider's weight, and riding conditions
5 Levels of Pedal Assist (PAS) to find just the right amount of help from the motor
- Cadence+Torque 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 Juggernaut Ultra Duo 2 is ready for all-season, all-terrain riding
- Big and easy to read LCD display
- Shimano 9-speed (gears) transmission
- 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 380 lbs. load capacity (depends on the fork you choose)
The Ultra Duo sits at the top of the Duo range, so naturally, it boasts one of the most powerful motor systems available today. The Bafang Ultra M620 mid-drive motor is loaded with 1500W of peak power and 160Nm of torque. Pair that with the 11-speed drivetrain and you'll be nearly unstoppable.
Feel free to contact us about accessories and other upgrades - (upgraded lights, suspension seat post, saddlebags, mirror, handlebars).
Powerful Bafang Ultra M620 Mid-drive motor
The Bafang Ultra M620 mid-drive motor features 1000 watts power and 160Nm of torque. This allows you to span cities, climb hills, and explore all the places you want to go with ease.
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.
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 and fat tires
Get strong & dependable stopping power from the hydraulic disc brakes, and extra traction from 4” Fat Tires. Choose 27.5×3 MTB wheels for less drag and a great commute on and off-road.
RST guide suspension fork
The RST Guide fork provides 80mm of travel with pre-load, lockout, and rebound adjustability. It is just one of the many Juggernaut Ultra Duo 2 Step-Over Fat Tire Mid-Drive features that add to the enjoyment of your eBike ride.
From climbing hills to holding maximum speed on the flats, the Shimano 9-speed drivetrain has you covered.
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.
Bright LED front and rear lights are powered by the bike's battery and can be turned on/off with a button on the handlebar control pad
The Biktrix Juggernaut Ultra Duo 2 Step-Over Fat Tire Mid-Drive eBike is perfect for commuting on the street or ripping up hills off-road. Simply put, it’s a ton of fun.
Personalize your Biktrix eBike and build a bike that is just perfect for you. Increase your bike’s functionality and boost your experience. Swap the 27.5x3" fat tires with a 26x4" set to handle the toughest terrain and weather conditions.
You can also add an extra battery that mounts to the bike frame to increase the bike's range.
Three ways to ride the Biktrix Juggernaut Ultra Duo 2 1000W 52V 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 Ultra Duo 2 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 Ultra Duo 2 1000W 52V Step-Over Fat Tire Mid Drive eBike
Tektro E350 Dual-piston brakes w/ 160mm rotors
Total Capacity of 52V 36.5Ah 1898Wh:
52V 17.5Ah 910Wh (Internal Battery) +
up to 52V 19Ah 988Wh (External Range Extender Battery)
RST Guide w/80mm travel, lockout, and preload
Tektro adjustable w/brake cutoffs
Threadless 1-1/8 1-1/2 tapered
700mm wide, 50mm rise w/ 31.8mm clamp
Shimano Alivio 9 speed trigger shifter
Shimano Alivio 9 speed
Slide-on comfort grips
|SEAT POST CLAMP||QR|
170mm Arms 44T chainring
Bafang Ultra ISIS
Bafang Ultra M620
|FRONT HUB||135mm 36H|
|FRONT AXLE/SKEWER||5mm QR|
Integrated headlight, integrated taillight
|REAR HUB||197mm 36H|
|REAR AXLE/SKEWER||12mm thru|
Black 36H 26" w/ round cutouts
Torque + cadence
|17" STEP-OVER MEDIUM||19" STEP-OVER LARGE||21" STEP-OVER EXTRA-LARGE|
|Effective Top Tube Length||570 mm||22.4 inches||610 mm||24 inches||630 mm||24.8 inches|
|Seat Tube Length (Classic Bike Size)||420 mm||16.5 inches||470 mm||18.5 inches||520 mm||20.5 inches|
|Reach||460 mm||18.1 inches||480 mm||18.9 inches||500 mm||19.7 inches|
|Stack||560 mm||22 inches||570 mm||22.4 inches||580 mm||22.8 inches|
|Chainstay Length||510 mm||20.1 inches||510 mm||20.1 inches||510 mm||20.1 inches|
|Standover Height||690 mm||27.2 inches||730 mm||28.7 inches||760 mm||29.9 inches|
|Head Angle||71 °||-||71 °||-||71 °||-|
|Seat Angle||73.5 °||-||73.5 °||-||73.5 °||-|
|Head Tube Length||190 mm||7.5 inches||190 mm||7.5 inches||190 mm||7.5 inches|
|Fork Length||530 mm||20.9 inches||530 mm||20.9 inches||530 mm||20.9 inches|
|Front Center||700 mm||27.6 inches||710 mm||28 inches||720 mm||28.3 inches|
|BB (Bottom Bracket) Drop||70 mm||2.8 inches||70 mm||2.8 inches||70 mm||2.8 inches|
|Fork Offset||35 mm||1.4 inches||35 mm||1.4 inches||35 mm||1.4 inches|
|Wheelbase||1220 mm||48 inches||1240 mm||48.8 inches||1260 mm||49.6 inches|
|Total Length||2000 mm||78.7 inches||2020 mm||79.5 inches||2040 mm||80.3 inches|
|Max Seat Height||990 mm||39 inches||1040 mm||40.9 inches||1080 mm||42.5 inches|
|Min Seat Height||830 mm||32.7 inches||880 mm||34.6 inches||920 mm||36.2 inches|
|Handlebar Height||1120 mm||44.1 inches||1140 mm||44.9 inches||1150 mm||45.3 inches|
|Weight (Without Battery)||33.1 kg||73 lb||34 kg||75 lb||34.4 kg||75.8 lb|
Download Old Juggernaut User Manual HERE (very useful for all Biktrix eBikes)