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. From $3499.
Specs verified Sep 2, 2026
Where to Find
Prices tracked across 1 sellerPrice History
Price History
Price changes tracked by the crawler
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
All Records
46 price records in this period
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
Biktrix(46 records) | |||||||||
| Sep 2, 202609:19 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Sep 1, 202601:35 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 30, 202605:43 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 28, 202601:45 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 26, 202605:15 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 26, 202610:01 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 24, 202601:42 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 22, 202605:30 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 20, 202601:43 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 19, 202609:14 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 18, 202605:11 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 16, 202601:37 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 14, 202605:29 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 12, 202601:36 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 12, 202609:31 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 10, 202605:10 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 8, 202601:26 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 6, 202603:09 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 5, 202602:18 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 5, 202609:25 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Aug 3, 202609:26 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | No | active |
| Jul 27, 202610:55 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 25, 202607:30 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 24, 202604:00 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 22, 202610:14 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 21, 202603:47 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 20, 202609:03 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 12, 202604:44 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | No | active |
| Jul 9, 202603:20 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 8, 202609:25 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 7, 202603:26 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 5, 202603:26 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 3, 202602:20 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 1, 202603:24 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jul 1, 202609:20 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 29, 202604:18 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 27, 202603:16 PM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 25, 202609:24 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 23, 202609:42 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 21, 202609:21 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 19, 202610:16 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 17, 202609:27 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 17, 202609:18 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 15, 202609:27 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 13, 202609:27 AM | $3,499.00 | — | $3,499.00 | $0.00 | — | — | — | Yes | active |
| Jun 12, 202609:23 AM | $3,499.00 | — | $3,499.00 | Initial | — | — | — | Yes | active |
Reviews
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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
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