Optional parts :
1x LCD system . It is a very very great mulit- function LCD system . Please see details according the below photo .
Optional parts for 36v 250w electric bike kit :
1x disc brake, ISO strandard 6 holes for bicycle . Your own bicycle disc bake on our motor maybe not suitable , so we recommend that you buy it with our motor kits if your bike is disc brake system .
1x headlight with horn and key .
1x other battery pack, we have 36v 10ah, 12ah , 15ah batter packs for choosing .