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NIU FX8000W water-cooled secondary drive
A complete custom vehicle with a fixed build specification. NIU FX at its core, with a water-cooled 8000W secondary-drive system and the same supporting component reference as our Ninebot MMAX MK2 build.
- Complete vehicle
- Water-cooled
- Fixed configuration
COMPLETE BUILD PRICE
$6,387.53 USDOne vehicle. All listed components and workshop labor included. Shipping, duties and destination taxes are separate.
Worldwide delivery
Worldwide delivery from 928 baogang ave, the same dispatch location as our Ninebot 6000W build. Freight is US$920 per order, or US$600 to Croatia, collected at checkout. Import duties and destination taxes are separate.
Contact the workshop ↗Complete vehicle
A clear, fixed total
Every amount below is included in the complete vehicle price.
- NIU FX base vehicle
- US$1,070.61
- 8000W water-cooled secondary drive
- US$2,003.90
- 841800 controller
- US$603.03
- 72V 100Ah battery
- US$929.59
- Supporting components
- US$1,263.62
- Workshop labor and installation
- US$516.78
- Complete vehicle total
- US$6,387.53
Base vehicle: CNY 7,200 × 0.148696 USD/CNY. Exchange-rate snapshot: Tue, 15 Sep 2026 00:02:31 +0000. Existing supporting parts retain the reference page’s listed USD prices. Drive and controller use the current 8000W listing.
8000W powertrain reference
- Motor power
- 8000W
- Construction
- Water-cooled aluminum fork
- Bus / phase current
- 800A / 1500A
- Controller
- 841800
- Battery
- 72V 100Ah
- Top-speed reference
- 200 km/h
Supplied system reference, not a guaranteed measured result for this NIU FX. Actual speed depends on the final build, controller tune, rider load, battery condition and riding conditions. High-speed testing is for a closed course; road legality is not implied.
Included build specification
26 fixed line items. Supporting component models follow the supplied configuration list and the Ninebot MMAX MK2 reference build. Mounts, axle dimensions and wiring are adapted for NIU FX and confirmed in the final written specification.
01Front assembly
| Component | Reference specification | Included price |
|---|---|---|
| Base vehicle | NIU FX · CNY 7,200 base vehicle | US$1,070.61 |
| Master cylinder | FJN · EX12 · Black · 1 pair | US$147.65 |
| Triple clamp | CBD · 43 mm core / 185 mm opening · Black | US$59.06 |
| Steering bearing | Fengshi · Upper taper and lower waterproof ball bearing | US$22.15 |
| Front suspension | Biboshi · GS7 · 43 mm / 400 mm · Black | US$292.35 |
| Front caliper | FJN · ST7 radial caliper · Black | US$59.06 |
| Front brake disc | FJN · 3-hole 245 × 7.0 floating disc · Black | US$56.11 |
| Front brake hose | Babosu · 110 mm · Purple | US$11.81 |
| Front wheel | FJN · Lucky Star 2.5J · Black | US$70.87 |
| Front tire | TRST · 110/70-12 · Black | US$31.01 |
| Front fender | GP · Half-round front fender · Black | US$9.60 |
02Center assembly
| Component | Reference specification | Included price |
|---|---|---|
| Controller | 841800 · matched to the 8000W system | US$603.03 |
| Side stand | PT · Adjustable cylindrical stand · Black | US$19.93 |
| Swingarm axle | Stainless steel · 12 mm | US$3.69 |
| Rear shock riser | Leili · CNC rear-shock riser · 1 pair | US$44.30 |
03Rear assembly & workshop
| Component | Reference specification | Included price |
|---|---|---|
| Motor hanger | Leili · CNC Mechanic hanger · 1 pair | US$29.53 |
| Motor assembly | 8000W · water-cooled aluminum secondary-drive system | US$2,003.90 |
| Rear suspension | DSF · SR-04 · 290 mm · Black | US$203.76 |
| Rear caliper | FJN · GP3 compact caliper · Black | US$73.83 |
| Rear brake disc | FJN · 3-hole 220 × 7.0 F04 fixed disc · Black | US$14.77 |
| Rear brake hose | Babosu · 220 mm · Purple | US$14.77 |
| Rear tire | TRST · 130/70-12 · Black | US$33.96 |
| Rear fender bracket | Shield · Aping bracket set · Black | US$11.07 |
| Power metering module | Dual-plug protocol module · Black | US$54.34 |
| Battery | 72V 100Ah battery pack | US$929.59 |
| Labor and service | Installation, fabrication setup and configuration service | US$516.78 |
The actual build defines the details
The photographs show a real NIU FX build for reference. Exact components, colors, mounting dimensions and fitment follow the actual supplied vehicle and the final written specification. The listed brake-component reference is FJN; logos visible in the photos are not a promise of another brand.
Built and configured by the workshop
Sourcing, installation and configuration are included. Target build time is about 15 days after written specification approval, following our workshop’s reference build process. Transit time is additional. Compatible fitment, the final specification and timing are confirmed with you before production.