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Juggernaut Ultra Duo 2
Juggernaut Ultra Duo 2
$0
VS Carbon 1 Pro E-Bike
Carbon 1 Pro E-Bike
$2,199
Pricing
Price
MSRP for base model; does not include shipping or accessories.
-- $2,199 Best
Motor
Motor (Nominal)
Continuous rated power; peak power may be higher.
1,000 W Best 350 W
Motor (Peak)
-- 750 W Best
Battery
Battery
910 Wh Best 352 Wh
Performance
Range
Real-world range under ideal conditions; varies with terrain, rider weight, and assist level.
45 mi 80 mi Best
Top Speed
-- 25 mph Best
Utility
Weight
73.0 lbs 37.0 lbs Best
Payload Capacity
380 lbs Best 240 lbs
UL 2849 Electrical System
UL 2849 verifies the complete eBike electrical system (motor, controller, wiring, display, and battery integration).
-- --
UL 2271 Battery Pack
UL 2271 validates battery-pack safety, including enclosure integrity and thermal-runaway resistance.
-- --
Foldable
No No
Full Review → Full Review →
Head-to-Head Visual Comparison

Radar breakdown for 2 bikes.

Click a model below to highlight stats.

Expert Insights

🏆 Performance Leaders

Best for Power: Juggernaut Ultra Duo 2
Best for Value: Juggernaut Ultra Duo 2

🛠️ Technical Advantages

No category-based advantages detected.

🏁 Expert Verdict

Overall winner: Carbon 1 Pro E-Bike
Spec Juggernaut Ultra Duo 2 Carbon 1 Pro E-Bike
Power 9 0
Range 0 0
Weight 10 5
Payload 10 6
Value 10 5

Juggernaut Ultra Duo 2

Power 9
Range 0
Weight 10
Payload 10
Value 10

Carbon 1 Pro E-Bike

Power 0
Range 0
Weight 5
Payload 6
Value 5

🏆 20-Mile Hilly Commute Challenge

Simulated at PAS Level 3 on hilly terrain. See remaining battery after 20 miles.

Efficient (> 40%) Cutting it close (10–39%) Range Anxiety territory (0–9%)
Adjust Rider Weight for All Bikes 200 lbs

Juggernaut Ultra Duo 2

Cutting it close 40%

Carbon 1 Pro E-Bike

Range Anxiety territory 0% (Did Not Finish)

💡 Why do some bikes handle hills better?

You may notice that Mid-Drive motors often finish this challenge with significantly more battery remaining than Hub Motors, even with similar battery sizes. This is because Mid-Drives leverage the bike's existing gears, allowing the motor to stay in its "efficiency sweet spot" on steep climbs. Conversely, Hub Motors must work much harder at low speeds, often losing up to 25% more energy to heat when under heavy load on a hill.

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