TorqueX Lightning Pie 72V 3000W Rear Hub Motor E-Bike Conversion Kit
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Product Description
Skip the bottom bracket teardown. The Lightning Pie by TorqueX rear hub kit turns your bike into a dirt-bike-quick ride in an afternoon — pull the wheel, drop this one in, and go. We've built and ridden one ourselves — it delivers Surron-level torque without the mid-drive install or the price tag.
Why buy a Surron when you can build this much power for a fraction of the cost? 3000 watts is serious output — this isn't a "fits a bike lane" kit, it's a genuine high-speed conversion for riders who want real acceleration and top end.
No chainring swaps, no bottom bracket compatibility puzzle, no chain wear from cranking watts through your pedals. Just a beefed-up rear wheel, a real controller, and a throttle that means business.
Specifications:
| Type | Brushless gearless direct drive, rear hub |
| Rated power | 3000W |
| Rated voltage | 72V (motor wound for 48V / 60V / 72V) |
| Max torque | 100 N·m |
| Efficiency | ≥84% (measured under load at rated operation) |
| Winding | 3T × 21W |
| Magnet size | 45 × 3 mm |
| Hall sensors | Latch-type digital, dual Hall configuration |
| Noise | <55 dB (no-load, semi-anechoic chamber) |
| Weight | 9.4 kg (motor only) |
| Finish | Black |
| Brake type | Disc brake |
| Dropout width (OLD) | 135 mm |
| Spokes | 36H, 12G or 10G |
| Freewheel | Screw-on — 1 / 6 / 7 speed compatible |
| Cable exit | Left side, 4 mm² / 6 mm² |
| Wheel sizes | 26" / 27.5" / 29" |
Kit contents
| Controller | 72V 60A, aluminum housing |
| Display | SW900 |
| Throttle | Twist + thumb (both included) |
| Pedal assist | 12-magnet PAS sensor |
| Freewheel | Single-speed |
| Also included | Controller storage bag |
| Battery | Sold separately, 72V only |
Fitment: Compatible with tire widths from 2" to 3" — fits standard 135mm dropout frames.
What's in the box:
- 3000W gearless hub motor, 135mm dropout
- 72V 60A aluminum controller
- SW900 display
- Twist throttle AND thumb throttle (use whichever you like)
- 12-magnet pedal assist sensor
- Single-speed freewheel
- Controller storage bag
Battery (sold separately): Runs on 72V only. Check out our 72V battery options or ask us if you're not sure which pack fits your build.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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