B7-138XL Hub Motor 750W | Ebike Rear Hub Motor
36V NAKED PACK DIMENSIONS
All sizes below include holders, insulation, heat-shrink, wiring, and side-mounted high-current BMS allowance.
| Config | Capacity (Ah) | Cell Count | Dimensions (L × W × H, in) | Dimensions (mm) | Max Continuous (A) | Notes |
|---|---|---|---|---|---|---|
| 10S3P | 15Ah | 30 | 8.9 × 2.8 × 3.3 | 226 × 71 × 85 | 100A | Compact commuter |
| 10S4P | 20Ah | 40 | 8.9 × 3.7 × 3.3 | 226 × 94 × 85 | 120A | Good range upgrade |
| 10S5P | 25Ah | 50 | 8.9 × 4.6 × 3.3 | 226 × 117 × 85 | 150A | Mid-capacity |
| 10S6P | 30Ah | 60 | 8.9 × 5.5 × 3.3 | 226 × 140 × 85 | 180A | Balanced build |
| 10S7P | 35Ah | 70 | 8.9 × 6.4 × 3.3 | 226 × 163 × 85 | 200A | High power |
| 10S8P | 40Ah | 80 | 8.9 × 7.3 × 3.3 | 226 × 186 × 85 | 220A | Fleet / commuter |
| 10S9P | 45Ah | 90 | 8.9 × 8.2 × 3.3 | 226 × 209 × 85 | 250A | Heavy duty |
| 10S10P | 50Ah | 100 | 8.9 × 9.1 × 3.3 | 226 × 232 × 85 | 300A | Max 36V build |
- Free worldwide shipping
- Low stock - 3 items left
- Backordered, shipping soon
Description
Available in 48 Volt and 60 Volt | Controller Included
UNLEASH THE POWER: B7-138XL HUB MOTOR DOMINATES THE TRAILS!
Mountain Bike Mastery: Tailored for mountain biking adventures.
Rear Hub Installation: Strategically placed for optimal performance.
Versatile Power: Choose from 350W to 750W for your ideal ride.
Robust Aluminum Build: Resists humidity, rust, corrosion, dust, and environmental challenges.
Lightweight and Durable: Enjoy a featherweight design with high durability and minimal maintenance.
Silent Efficiency: Experience a mute effect, high motor output, and quick starts.
Contact Us Now and Bring the Power to Your Mountain Adventures!
Information
ADDITIONAL INFORMATION
| B7 Series |
B7-138XL |
|---|---|
| Colour |
Black / Silver |
| Installation Site |
Rear |
| Applied for E-bikes |
e-MTB |
| Cable Routing |
Side-Left |
| Cable Length(mm) |
200 |
| Sprocket Wheel |
6～7 |
| Brake Style |
Disk-Brake |
| Spokes Holes |
36H |
| Spokes Size |
13G/12G |
| Spokes Central Dist.(mm) |
146 |
| Open Size(mm) |
138 |
| Wheel Size(inch) |
20/26/28/700C |
| Voltage(Vdc) |
36, 48, 52 |
| Rated Power(W) |
350,500,750 |
| Max Speed(km/h) |
32, 38, 45 |
| Max Torque(N.m) |
＞75 |
| Reduction Ratio |
7.77:1 |
| Magnet Items(pcs) |
16 |
| Speed Sensor(pcs) |
1～6 |
| Efficiency(%) |
≥80 |
| Work Temperature(℃) |
-20～45 |
| Noise Items(dB) |
＜50 |
| Weight(kg) |
3.6 |
| Waterproof Level |
IP65 |
| Shells Material |
Aluminium Alloy |
Processing Time
- Most in-stock batteries ship within 3–5 business days.
- Custom rebuilds and special orders may take 7–14 business days before shipping.
Shipping Method
- All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
- Expedited air shipping is not available for lithium battery products.
Delivery Time
- Ground shipping typically takes 3–7 business days within the U.S.
- Tracking information will be provided as soon as your order ships.
Local Pickup
- Pickup is available at our Las Vegas facility:
6585 S Arville St, Las Vegas, NV 89118
Monday–Friday, 9:00 AM – 5:00 PM (by appointment).
Returns
- Returns are accepted within 14 days of delivery on unused, unopened batteries.
- For rebuilds and custom packs, all sales are final unless defective.
Important Notes
- Shipping is limited to the continental United States.
- Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
- Signature may be required at delivery for higher-value battery orders.
