Biktrix

Juggernaut Ultra Duo 2

Price $2,699
Motor (Nominal) 1,000 W
Range 45 mi
Inventory Check Inventory
Juggernaut Ultra Duo 2
Performance Review
8.2/10 ebikes.com score
Highly Recommended
Excellent performance with minor tradeoffs.
Editorial Score
Data-driven rating breakdown
8
/100
Power
9/10
Range
7/10
Comfort
7/10
Build Quality
8/10
Value
10/10
Starting at
--
Price
Nominal power
1,000 W
Motor (Nominal)
Capacity
910 Wh
Battery
Estimated range
45 mi
Range
Max speed
--
Top Speed
Max load
380 lbs
Payload Capacity
Folds
No
Foldable

Editorial Insights

Reasons to Buy

  • + Unrivaled power and 160Nm torque from the Bafang Ultra M620 mid-drive motor.
  • + Exceptional value at the current sale price, offering premium features significantly below regular cost.

Reasons to Avoid

  • - Relatively heavy at 73 lbs (without battery), potentially impacting portability and maneuverability for some riders.
  • - Only 75mm of front suspension travel for a bike capable of conquering 'any terrain', which might be limiting on aggressive trails.
Expert Verdict

In-Depth Analysis

Biktrix Juggernaut Ultra Duo 2: A Powerhouse for Adventurers

Unleashing Unmatched Performance and Value

The Biktrix Juggernaut Ultra Duo 2 stands out as a formidable e-bike, particularly for riders who demand serious power and versatility at an exceptional value. At its core is the acclaimed 1000W Bafang Ultra M620 mid-drive motor, delivering an impressive 160Nm of torque. This motor is widely recognized as one of the most potent torque-sensing units available, ensuring effortless navigation across challenging terrains and steep inclines. The combination of torque and cadence sensing provides a natural yet incredibly powerful pedal assist experience. Currently offered at a sale price of $2,699, a substantial reduction from its regular $4,499, the Juggernaut Ultra Duo 2 presents an outstanding deal, making it a compelling choice for a high-performance e-bike.

Robust Build and Thoughtful Features for Diverse Riding

Beyond its powerhouse motor, the Juggernaut Ultra Duo 2 is engineered for rugged reliability. Its 6061 aluminum frame is designed to support a considerable 380lb payload capacity, making it ideal for hauling gear or heavier riders. The integrated 52V 17.5Ah 910Wh internal battery offers an estimated range of 45 miles, providing ample power for most adventures, with the option to expand total capacity to a staggering 1898Wh with an external range extender. Riders benefit from a responsive thumb throttle for on-demand power, a clear DPC-18 display, and integrated front and rear lighting for safety. Practical additions like front and rear fenders, a sturdy rear rack, and a kickstand enhance its utility for daily commutes or extended tours. The Tektro e350 dual-piston hydraulic disc brakes, paired with 160mm rotors, deliver confident and reliable stopping power.

Versatility Tailored for Your Terrain

Biktrix offers excellent customization with the Juggernaut Ultra Duo 2, allowing riders to choose between 26x4" fat tires for superior traction on snow, sand, and gravel, or 27.5x3" MTB tires for optimized performance on pavement and groomed trails. This versatility ensures the bike can adapt to various riding preferences and environments. While the RST Guide fork with 75mm of travel provides essential front suspension and a lockout feature, riders tackling extremely rough or technical trails might desire more advanced or longer-travel suspension. Weighing in at 73 lbs without the battery, it's a sturdy machine, which is typical for its class, but something to consider for lifting or transporting. Overall, the Juggernaut Ultra Duo 2 is an incredibly capable, feature-rich, and value-packed e-bike, perfectly suited for those seeking a powerful and reliable companion for any adventure.

Specs

Key specifications for Juggernaut Ultra Duo 2, organized for quick scanning.

Pricing
Price --
Motor
Motor (Nominal) 1,000 W
Motor (Peak) --
Battery
Battery 910 Wh
Battery (Ah) 17.5 Ah
Performance
Range 45 mi
Top Speed --
Utility
Weight 73.0 lbs
Payload Capacity 380 lbs
Foldable No

Real-World Range Estimator

43.3 mi
Based on 910 Wh battery capacity
Motor Type
Terrain
How is this calculated?

How We Score eBikes

At eBikes.com, we believe in complete transparency. Our Editorial Scores are not influenced by sponsorships or brand partnerships. They are calculated using a strict, data-driven logic gate based on manufacturer specifications:

⚡ Power Graded strictly by Motor Wattage. A baseline 250W earns an average score, with higher continuous outputs scaling linearly to the maximum score.
🗺️ Range Graded by Battery Capacity (Watt-hours). A standard 300Wh battery serves as the baseline, rewarding bikes that offer extended range capacities.
🛋️ Comfort Calculated by suspension type (Full, Front, or Rigid) and frame geometry (Step-Thru vs. Step-Over) to determine overall ride smoothness.
🛠️ Build Quality Assessed via component tiers. Bikes receive premium marks for Hydraulic Brakes, UL 2849 safety certifications, and premium price-tier construction.
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