Description
Upgrade your ride with the New Upgrade Ebike Conversion Kit MTX39 – a powerful, brushless hub motor wheel designed to transform any standard bicycle into a high‑performance electric bike. Engineered for 72 V systems and delivering up to 5000 W of raw power, this rear hub motor offers unrivaled speed, torque, and reliability without the complexity of gears.
Key Highlights
- 🔋 72 V / 5000 W peak power – unleash up to 45 mph (72 km/h) on flat terrain.
- ⚙️ Brushless, non‑gear design – low maintenance, silent operation, and smooth acceleration.
- 🚲 Rear hub integration – optimal weight distribution and stable handling.
- 🔧 Easy installation – bolt‑on wheel fits standard 26‑, 27.5‑, and 29‑inch rims.
- 🔋 Versatile power options – compatible with 2000 W, 3000 W, and 5000 W controller setups.
- 🌧️ IP65 water‑proof rating – ride confidently in rain or dusty conditions.
- 🛡️ Aluminum alloy hub & reinforced spokes – built to handle high torque and rugged terrain.
Why Choose the MTX39 Conversion Kit?
Whether you’re a commuter looking for a faster daily ride, an adventure seeker craving off‑road capability, or a DIY enthusiast wanting to boost your bike’s performance, the MTX39 delivers a perfect blend of power and simplicity. Its brushless motor eliminates the wear points of traditional geared hubs, providing a longer lifespan and a quieter ride.
Technical Specifications
- Motor type: Brushless DC (BLDC) hub motor
- Voltage: 72 V (compatible with 48 V–72 V systems)
- Peak power: 5000 W (continuous 3000 W, optional 2000 W mode)
- Wheel size: 26″, 27.5″, 29″
- Hub material: CNC‑machined aluminum alloy
- Spokes: Reinforced stainless steel, pre‑tensioned
- IP rating: IP65 (water and dust resistant)
- Weight: Approx. 9.5 kg (21 lb)
- Mounting: Quick‑release axle, compatible with standard quick‑release or thru‑axle frames
Installation & Compatibility
Installing the MTX39 is a breeze:
- Remove the existing rear wheel.
- Mount the MTX39 hub onto your bike’s axle using the included quick‑release or thru‑axle adapters.
- Connect the motor wires to your 72 V controller (included wiring harness).
- Secure the brake rotor (if using disc brakes) and re‑install the brake caliper.
- Calibrate the controller settings to match your desired power mode (2000 W, 3000 W, or 5000 W).
The kit fits most standard mountain, hybrid, and commuter frames. For bikes with disc brakes, the rotor kit is included; rim‑brake models can use the optional brake adapter.
Performance Benefits
- Instant torque – accelerate from 0 to 20 mph in seconds.
- Extended range – high efficiency reduces battery drain.
- Quiet ride – brushless technology eliminates motor noise.
- Low maintenance – no gears, chains, or belts to service.
- Future‑proof – compatible with the latest 72 V battery packs for maximum power.
What’s Included
- MTX39 rear hub motor wheel (selected size)
- Quick‑release & thru‑axle adapters
- Disc brake rotor (if applicable) and mounting hardware
- Wiring harness with waterproof connectors
- Installation guide and safety checklist
Buy with Confidence
All MTX39 conversion kits come with a 2‑year limited warranty and dedicated technical support. Upgrade your bike today and experience the thrill of a high‑performance electric ride without compromising on safety or reliability.






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