The specifications of This E-bike Kit:

MAGIC PIE 3 KIT
(Internal controller)Contents:
1. Magic Pie 3 motor
(Brushless&Gearless with Built-in controller)
2. All-in-one integrated Cable with Thumb or Twist Throttle with Battery gauge, Brake levers, Cruise control button.

24V/36V/48V 250/750/1000W
(16''/18''/20''/24''/26''/28"/700C Spoked Double Wall Rim)

Gross Weight: 11kg
Measurement:
45cm*30cm*45cm(16''/18'')
53cm*24cm*53cm(20'')
58cm*24cm*64cm(24''/26'')
70cm*24cm*66cm(700c/28'')Key features:
1.30% higher climbing Torque
(Max: >70N. M)
2. Easy replaceable Internal controller with upgraded mosfets, No more messy wiring with new built-in controller
3. Better heat dissipating with Self-Cooling Fan, removing 60% heat
4. Water-proof integral wiring set with Silver plated Plug-pins for easy connection
5. Upgrade Mosfet with 35A continuous current
6. Dual control mode for sensor and sensorless
7. Multi-Voltage accept 24V/36V/48V
8. Regenerative braking
9. Cruise speed control
10. PC progarmable
11. Forward/Reverse available

What Make SmartPie and MagicPie No. 1 Bike Conversion Kits
Brushless gearless motor: No gear means reliable, quiet, high efficiency, long working life, maintenance free.
Built-in controller: No messy exposed wirings, less connection problems, easy to install, neat looking products.
Strong climbing torque: Acheived by using strong rare earth magnets, innovative motor design, and top quality MOSFETS used.
Open voltages 24/36/48VDC: User adjustable power and speed, self upgradable from 24V to 48V to meet local regulations.
Built-in cooling fan: Effective heat dissipating, better performance for motor and controller, higher climbing capability.
Programmable controller: Control parameters programming via USB cable, customizable for different EV applications.