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Juggernaut Ultra Eagle
Juggernaut Ultra Eagle
$0
VS XP4 750
XP4 750
$1,299
Pricing
Price
MSRP for base model; does not include shipping or accessories.
-- $1,299 Best
Motor
Motor (Nominal)
Continuous rated power; peak power may be higher.
1,000 W Best 750 W
Motor (Peak)
1,500 W Best --
Battery
Battery
910 Wh Best 840 Wh
Performance
Range
Real-world range under ideal conditions; varies with terrain, rider weight, and assist level.
-- 85 mi Best
Top Speed
20 mph 28 mph Best
Utility
Weight
61.9 lbs Best --
Payload Capacity
-- 330 lbs Best
UL 2849 Electrical System
UL 2849 verifies the complete eBike electrical system (motor, controller, wiring, display, and battery integration).
-- UL2849 Certified
UL 2271 Battery Pack
UL 2271 validates battery-pack safety, including enclosure integrity and thermal-runaway resistance.
-- UL2271 Certified
Foldable
No Yes
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 Eagle
Best for Value: XP4 750

🛠️ Technical Advantages

XP4 750 stands out for portability

🏁 Expert Verdict

Overall winner: XP4 750
Spec Juggernaut Ultra Eagle XP4 750
Power 10 9
Range 0 0
Weight 10 0
Payload 0 10
Value 9 10

Juggernaut Ultra Eagle

Power 10
Range 0
Weight 10
Payload 0
Value 9

XP4 750

Power 9
Range 0
Weight 0
Payload 10
Value 10

🏆 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 Eagle

Cutting it close 40%

XP4 750

Cutting it close 35%

💡 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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