1) It is 36v 250/350/500W Brushless Front Wheel Motor,And it is suitale to the V brake and Disc brake.
2)The max speed of the motor will be 30-40km/h.(To meet the standards of the EU and North America).
3)The size of the rim is 20" 24" 26" 700C(28"). Please confirm the size of your wheel in advance.If you need other size,please contact us.
4)The standard installation width/open size of the front motor is 100mm-105MM .Please confirm the length of your front fork.
If the open size of your bicycle fork is not 100mm-105mm. Maybe this kit is not suitable for your bike.
6)If customer prefer rear motor for this kit, please confirm your bike rear fork(axle) length whether it is 135MM, If yes, please contact us, we can custom-made the rear wheel motor for you.
If you not sure whether our kits could be suitable for your bicycles,you can take picture of your bicycle for us and we will give you best suggestions !
If it's a little difficult for you to assemble it,please contact with us any time.Our engineer will could help you!