Biktrix Juggernaut Ultra FS Pro 3 Fat

The Juggernaut Ultra FS Pro 3 Fat is Biktrix's full-suspension fat-tire mid-drive e-bike, built around the Bafang Ultra M620 (1000W, 160Nm). The 52V 17.5Ah 910Wh battery is internally mounted with dual-battery capability (up to 1794Wh with range extender). Full suspension with a Biktrix inverted air fork (140mm travel) and Rockshox Monarch RL rear shock (51mm travel), SRAM NX 11-speed drivetrain, quad-piston hydraulic brakes, and 26x4 fat tires on a 6061 aluminum frame.

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 16, 2026

Where to Find

Prices tracked across 1 seller

Biktrix

Price History

Price History

Price changes tracked by the crawler

+ Shipping

Current best price $3,999.00. Over the past 90 days: low $3,999.00, high $3,999.00, average $3,999.00 — 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: 60 km – 72 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: 120 kg
Suspension: Full Suspension
Integrated Lights: No
UL Certified: No

Physical

Weight: 32.6 kg

We use cookies for analytics. Privacy Policy