Source google image: https://ae01.alicdn.com/kf/HTB1U2ifRFXXXXXjapXXq6xXFXXXB/Bafang-BBS02-48V-750W-electric-bike-motor-8Fun-mid-drive-electric-bike-conversion-kit-with-48v.jpg_220x220.jpg
Bafang bbs02 aliexpress
Source google image: https://ae01.alicdn.com/kf/HTB1U2ifRFXXXXXjapXXq6xXFXXXB/Bafang-BBS02-48V-750W-electric-bike-motor-8Fun-mid-drive-electric-bike-conversion-kit-with-48v.jpg_220x220.jpg