The thickest part of the axle is 22mm, the length is 740mm, the wheel hub. Fits 6 inch wheels (rim) with 3 bolt pattern and 78mm bolt to bolt space. Model: 48VDC 1800W Brushless Motor.
Motor weight: 10.5 lbs (4.8kg). Matching motor: DC Brushless motor.
What is the advantages of brushless motor. Less electrical and electromagnetic noise.
Long lifespan: No brushes to wear out, around triple lifespan as brushed motor. Low maintenance: No brushes to replace.
Powerfrugal: Power consumption is 1/3 of brushed motor. High efficiency: Brushless motors are typically 85-90% efficient whereas brushed DC motors are around 75-80% efficient. For instruction video, please refer to the below youtube video. This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components".
The seller is "tdpro99" and is located in this country: AU. This item can be shipped worldwide.