What are the requirements for the bike to install the LVBU ebike kit?

LVBU ebike kit can fit most of the bikes on the market, the requirements are as below: 
  • The D series motor requirements: The dropout spacing should be above 10 cm and the width of the dropout slots should be above 1 cm. 
  • The V series motor requirements: The dropout spacing should be above 8 cm and the width of the dropout slots should be above 1 cm.