Home e-bike kits 4KW coaxial mid-motor
Install 3 chainwheel kit , 200~1680W, 1800~3000W, 2000~4000W, 7500~18000W

Motor kit 200W~ 10000W is for off road use only.

Install ISIS put left side bearing cup 1/2 in the frame, then put BB from right side
Old style L motor bracket install instruction step by step
 
8KW and 10kw 3 chainwheel kit install step
  
Home e-bike kits 4KW coaxial mid-motor