This 20" Front Wheel Electric Bicycle Motor Fat Tire Kit High Quality 3 1/4 in aluminum rim, the included powerful 1000W 48V brushless hub motor allows up to 45 KM/H top speed, the motor efficiency more than 80%.

High Quality:

• Powerful 1000W 48V brushless hub motor that allows up to 45 KM/H top speed
• The kit includes motorized wheel(not inculdes the tire), motor controller, speed throttle, power break lever, wire harness,Pedal assist sensor
• The Pedal Assist System (PAS) allows riding an e-bike without throttle response, which can reduce fatigue on long trips
• Comes with a twist throttle for easily activating the motor by twisting the grip, along with 3 indicators for displaying battery status
• Battery Recommendation: Lead Acid Battery featured in nominal voltage 48v, nominal capacity 17-20Ah is compatible with the motor.

Product Details:

• Overall Dimension(Dia.xW): 16 9/16" x 7 7/8" (42 x 20 cm)
• Compatible Tire Size: 20" x 4"
• Rim Diameter: 16 9/16" (42 cm)
• Axial Length: 7 7/8" (20 cm)
• Front Dropout Spacing: 5 5/16" (13.5 cm)
• Motor Diameter: 9 7/16" (24 cm)
• Motor Torque: 60N·m
• The Number of Spokes: 36
• Spokes Length: 2 15/16" (7.5 cm)
• Spoke Specification: 12G
• Controller Power: 1000W
• Motor Voltage: 48V

Also In The Box:

• 1x 20" Front Wheel with Brushless Hub Motor (Tire is not included)
• 1x 1T4 Waterproof Battery Extension Cord
• 1x Dual Mode Motor Controller
• 2x Brakes Levers
• 2x Handle Grips
• 10x Wire Ties
• 2x Winding Pipes
• 1x Controller Bag
• 1x Hub Wire
• 1x Twist Throttle
• 1x PAS Sensor
• 1x Spoke Key
• 1x Manual

Notice:

• 1.Must to wear a helmet before riding this electric bicycle for protection.
• 2.Please go to those automobile repair shop with standard business license for modification. 
• 3.For safety reasons, it is not recommended to use in rainy days.
• 4.It is only applicable to bicycle/snow bike, not tricycles, tractors, etc;
• 5.Suitable battery type and parameters: 48V, 30 Ah, travel about 20km;Recommended capacity is at least 8.8AH or above.
• 6. If you have any question about the compatible Model, please contact our Customer Service before purchasing.
• 7.Battery not included.