This conversion package is very easy to install and remove. The Ebike conversion kit includes all components needed for installation; brushless motor, controller, throttle, clutch, fender, set screws and cable ties. Please note that this electric bike kit does not include batteries and tires! Applicable models: road bike, commuter bike, mountain bike. If the temperature of the controller exceeds 90 centigrade during riding, it will trigger overheating protection, and the power will be cut off, and it will return to normal when the temperature cools down. Note:If your bike tires are deeply treaded, they will slip easily in the rain. Do not recommend to use it in raining day. The modified effect has a lot to do with the bicycle tires, and it also has a lot to do with the hands-on ability. Note:If your bicycle tires are seriously aging, it is re. Commended to replace the tires before installing them! Will wear down the bicycle tires. The effect of the bicycle assistor has a lot to do with the bicycle tires. If your bicycle tires have deep lines, it is recommended to apply a little glass glue to the surface of the tire to increase the contact area, thereby increasing the friction and achieving better results. Bicycles under 16 inches cannot be installed, and 16-26 inch bicycles are suitable for installation, 4.0 tires, tubeless tires, and solid tires are not supported. Applicable battery type and parameters: Lithium Ion (Li-Ion), 24V/36V, 8-15Ah. The Controller must not connect with the battery if do not use. Required battery voltage: 24V/36V. Required battery current: 8-15Ah. Friction wheel material: Plastic+Polyurethane. Battery and charger are not included, please prepare them before using. One Set Of Electric Bike Conversion Kit. How to operate the machine after installation. Comment: the followings are happed after the friction wheel is touched the tire tightly. 1\ It is available to start the motor by touching the speed-switch lightly when the bicycle has a low speed. Please don’t start the motor directly when the bicycle is stopped. 2\ Please touch the speed-switch lightly for accelerating when the bicycle’s speed is stable. 3\The user doesn’t need to ride the bicycle and the motor can drive the bicycle, the max speed can be 25km/h. 4\The user can ride the bicycle and use the motor together to drive the bike for upslope. Please check with y. We are not responsible. OR, you may choose to have a replacement. Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem you have. Please DON’T leave negative or neutral feed.