Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive eBike

$3,699⁰⁰
$4,099.00 Save $400

Click HERE for Coupon Codes and Gifts

Will usually ship in 1 - 3 business days
* Except Pre-Order eBikes
* Biktrix eBikes may take up to 2 weeks to ship due to current covid restrictions.
FREE SHIPPING Promotion - Save over $150. Learn More.

Customer Reviews

Based on 10 reviews Write a review

Features & Specs
Shipping
110% Price Match Guarantee
Questions & Answers

Biktrix Juggernaut Ultra Duo 3 1000W 52V/17Ah Step-Over Fat Tire Mid Drive Electric Bicycle with 5 Levels of Pedal Assist and Thumb Throttle

New stock - Latest model. Limited Supply.

Get 5% off your first eBike.

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 3 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 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 3 is ready for all-season, all-terrain riding
Big and easy-to-read LCD display
Shimano 11-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 mid-motor makes the Juggernaut Ultra Duo 3 Step-Over very versatile. Mid-drive motors are much more efficient than hub drives as they can use the bike's gears as a transmission. Hills become something of a novelty with the new Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive electric bicycle.

Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive eBike Motor

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.

Biktrix Juggernaut Ultra Duo 3 Step-Over Fat Tire Mid-Drive eBike Unlimited Freedom Awaits

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 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.

Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive eBike 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 Ultra Duo 3 Step-Over Fat Tire Mid-Drive features that add to the enjoyment of your eBike ride.

Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive eBike RST Suspension Fork

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.

Drivetrain

From climbing hills to holding maximum speed on the flats, the SRAM NX 11-speed drivetrain has you covered.

The Biktrix Juggernaut Ultra Duo 3 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.

Biktrix Juggernaut Ultra Duo 3 Step-Over Fat Tire Mid-Drive eBike Lifestyle

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.

Biktrix Juggernaut Ultra Duo 3 Step-Over Fat Tire Mid-Drive eBike Lifestyle2

Three ways to ride the Biktrix Juggernaut Ultra Duo 3 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 3 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 3 1000W 52V Step-Over Fat Tire Mid Drive eBike

FRAME	6061 Aluminum
BRAKES	Biktrix dual piston hydraulic w/ 180mm rotors
BATTERY SIZES	Total capacity of 52V 36.5Ah 1898Wh: 52V 17.5Ah 910Wh (Internal battery) + up to 52V 19Ah 988Wh (External range extender battery)
FORK	RST renegade coil spring w/100mm travel, lockout & preload
BRAKE LEVERS	BIKTRIX W/ ADJUSTABLE REACH AND MOTORCUTOFFS
HEADSET	Threadless 1-1/8 1-1/2 tapered
HANDLEBAR	650mm wide MTB w/30mm rise, 31.8mm clamp
SHIFTER REAR	SRAM 11 speed trigger shifter
STEM	90mm adjustable
REAR DERAILLEUR	SRAM NX 11 speed
GRIPS	Slide-on comfort grips
CASSETTE	SRAM 11-42T
SEAT POST	Aluminum 28.6mm
CHAIN	KMC e11S
SEAT POST CLAMP	QR
CRANK SET	44T 170mm arms
SADDLE	Biktrix spring-supported comfy cruiser
BOTTOM BRACKET	Bafang ISIS
MOTOR	Bafang M620 Ultra
FRONT HUB	150mm 36H
DISPLAY	DPC-18
FRONT AXLE/SKEWER	15mm QR-thru axle
LIGHTS	Integrated headlight, taillight
REAR HUB	190mm 36H
THROTTLE	Thumb throttle
REAR AXLE/SKEWER	5mm QR
ASSIST LEVELS	0-5
RIMS	Black 24", 26", 27.5" 36H
ASSIST TYPE	Torque + cadence
TIRES	24x4", 26x4", 27.5x3"
OTHER	Front and rear metal fenders, rear rack, kickstand

Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive eBike Size Chart

	17" STEP-OVER		17" STEP-THRU		19" STEP-OVER		19" STEP-THRU
Effective Top Tube Length	590 mm	23.2 inches	580 mm	22.8 inches	590 mm	23.2 inches	540 mm	21.3 inches
Seat Tube Length (Classic Bike Size)	420 mm	16.5 inches	420 mm	16.5 inches	470 mm	18.5 inches	460 mm	18.1 inches
Reach	440 mm	17.3 inches	580 mm	22.8 inches	440 mm	17.3 inches	500 mm	19.7 inches
Stack	660 mm	26 inches	490 mm	19.3 inches	660 mm	26 inches	540 mm	21.3 inches
Chainstay Length	500 mm	19.7 inches	480 mm	18.9 inches	510 mm	20.1 inches	520 mm	20.5 inches
Standover Height	690 mm	27.2 inches	450 mm	17.7 inches	730 mm	28.7 inches	430 mm	16.9 inches
Head Angle	70 °	-	68 °	-	70 °	-	68 °	-
Seat Angle	73 °	-	71 °	-	73 °	-	71 °	-
Head Tube Length	180 mm	7.1 inches	180 mm	7.1 inches	180 mm	7.1 inches	180 mm	7.1 inches
Fork Length	540 mm	21.3 inches	540 mm	21.3 inches	540 mm	21.3 inches	540 mm	21.3 inches
Front Center	720 mm	28.3 inches	710 mm	28 inches	730 mm	28.7 inches	730 mm	28.7 inches
BB (Bottom Bracket) Drop	60 mm	2.4 inches	40 mm	1.6 inches	60 mm	2.4 inches	50 mm	2 inches
Fork Offset	40 mm	1.6 inches	40 mm	1.6 inches	40 mm	1.6 inches	40 mm	1.6 inches
Wheelbase	1230 mm	48.4 inches	1240 mm	48.8 inches	1230 mm	48.4 inches	1240 mm	48.8 inches
Total Length	2000 mm	78.7 inches	1960 mm	77.2 inches	2000 mm	78.7 inches	2000 mm	78.7 inches
Max Seat Height	1000 mm	39.4 inches	1000 mm	39.4 inches	1050 mm	41.3 inches	1000 mm	39.4 inches
Min Seat Height	830 mm	32.7 inches	830 mm	32.7 inches	880 mm	34.6 inches	880 mm	34.6 inches
Handlebar Height	1120 mm	44.1 inches	1160 mm	45.7 inches	1140 mm	44.9 inches	1100 mm	43.3 inches
Weight (Without Battery)	34 kg	75 lb	34 kg	75 lb	35 kg	77.2 lb	35 kg	77.2 lb

Videos of the Biktrix Juggernaut Ultra Duo 3 1000W 52V Step-Over Fat Tire Mid-Drive eBike

Free Shipping Promotion on orders over $500. Save $150 when you order today!

eBikes normally ship in 1 - 3 business days.

We know you are excited to get your new eBike and we will work hard to ship it out as soon as possible.

If your order is in stock, it will usually ship between one to three business days from the date of your order. If it is a custom order, we will contact you with an ETA. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address your provide when checking out.

A signature is required for all deliveries.

If you have any questions, feel free to contact us at info@electricitycycles.com or call (307) 278-1544. We are happy to help :)

We guarantee the lowest price with a 110% Price Match!

We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price than you paid within 30 days of your purchase date, please let us know and we will refund your original payment for 110% of the difference of the price you paid.

We want you to feel confident that you are getting the absolute best price for the products you are ordering. If you find that our own website has a lower price for the same items you have ordered within 30 days of your purchase date, we will refund 110% of the difference you paid, as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors' website, within 30 days from the date of your order and we will process the credit accordingly.

Our 110% Price Match Guarantee has some limitations:

All X-Treme brand bikes are excluded.
You must purchase the item from our website before requesting your Price Match Guarantee.
Promotions such as rebates, coupons and buy one, get one free offers are not eligible.
The item must be in stock on the competitor's, and our, website. All pre-orders are exempt.
The competitor must be an online store, they may not have a retail location.
The website cannot be a discounter or auction website (ie; eBay, overstock, etc..).
The competitor must be an Authorized Retailer of the product in question.
The competitor must comply with manufacturer MAP (minimum advertised pricing).
The value of any free gifts from ElectriCity Cycles will be added to the lower price for comparison.
The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax.

*Please Note: Due to Industry-Wide End Of Year Closeouts, This Price Match Policy IS NOT Applicable during the holiday season from November 15th - January 3rd.

Check out Questions and Answers about this product. Scroll to the bottom of the page.

Ask a Question

Features & Specs▼