Low noise,high efficiency-16inch rear hub motor from manufacturer -- Leaf Motor.
They're used for electric bikes,scooters widely.
Name:16" rear hub brushless motor for electric scooter
Model:HBL-16"R 36V 750W / 48V 1000W bike motor
This 16" casting hub suits 16× 2 1/4" ~ 2 1/2" tyre.
This rear motor can be mounted disk brake that is fit for standard 135mm rear fork.
HBL-16"R 36V 750W $175USD
HBL-16"R 48V 1000W $178USD
Review more pictures..
Disconnect electric bike hub motor