24V 36V 250W High Quality Electric Geared Reduction Brush Motor and Controller MY1018 Unitemotor Economic DIY Ebike DC Motor Kit

24V36V 250W High Quality Electric Geared Reduction Brush Motor and Controller MY1018 Unitemotor Economic DIY Ebike DC Motor Kit   All the buyers should have experience to installation, If dont have much experience, please do not buy it. Our all DIY Kits keeping upgrade. If the parts upgrade,will not inform another. If have some parts not the same with the photos.which is normally. The upgraded parts only more good than before.     1. This Kit Suitable Install on What Type Bicycle? This EBIKE Kit is suitable for installation on the 22-28 inch common bicycles. If you want to install the bike below 22 inches, the difficulty of modification will be increased. You need to replace the original 9-tooth sprocket of the motor to a 13-tooth sprocket. If not change, the bike speed will too slowly. (If you need to change the 13-ooth sprocket, please contact with us or leave a message, you can replace the 13-tooth sprocket freely.) This kit is not suitable for special models and variable speed mode