Biktrix Juggernaut Ultra Duo 4 Step-Over

The Juggernaut Ultra Duo 4 Step-Over is Biktrix's high-capacity hardtail mid-drive e-bike, purpose-built for dual-battery operation with the Bafang Ultra M620 (1000W, 160Nm). The 52V 17.5Ah 910Wh primary battery is complemented by optional range extenders for up to 95 miles of range. Available with 26x4 fat or 27.5x3 MTB wheels, supports a 380lb payload, and features on-demand throttle.

In brief: 1000W Fat Tire. 52V 17.5Ah battery. Class 2 (Throttle 32 km/h). Up to 32 km/h. Aluminum frame.

Specs verified Oct 18, 2026

Where to Find

Prices tracked across 1 seller

Biktrix

Checked 10h ago

Price History

Price History

Price changes tracked by the crawler

+ Shipping

Current best price $3,499.00. Over the past 90 days: low $3,499.00, high $3,499.00, average $3,499.00 — about average.

Biktrix

Reviews

No reviews yet — be the first to share your experience.

Sign in with Google to leave a review.

Specifications

Classification

E-Bike Class: Class 2 (Throttle 32 km/h)
Bike Type: Fat Tire

Motor

Motor Position: Mid-Drive
Wattage: 1000W
Peak Wattage: 1000W
Torque: 160.00 Nm
Top Assist Speed: 32 km/h

Battery

Voltage: 52.0V
Capacity: 17.5Ah
Energy: 910Wh
Chemistry: Li-ion
Estimated Range: 96 km – 153 km
Removable: Yes

Frame & Build

Frame Material: Aluminum
Frame Style: High Step
Wheel Size: 26" x 4" (Fat)
Folding: No

Drivetrain & Brakes

Gears: 11-speed
Drivetrain: Derailleur
PAS Levels: 5
PAS Sensor: Cadence + Torque
Throttle: Yes
Brakes: Hydraulic Disc

Features

Max Payload: 172 kg
Suspension: Front Only (Hardtail)
Integrated Lights: No
UL Certified: No

We use cookies for analytics. Privacy Policy