1, This set does not include LCD display and controller(No display interface). LCD display can not be connected to this kit. (please give us your LCD parameters). 2, The E-BIKE Wheel Kit is not waterproof, so please don’t ride at rainy day. Das E-BIKE Wheel Kit ist nicht wasserdicht, also bitte nicht an regnerischen Tagen fahren. 3, Minimum fork distance:100mm. While connecting the controller to the wires, please make sure that you connect the right colors to the controller. Otherwise, the controller may be broken. Flat fork width: Min. 48V 1000W ebike conversion kit for FRONT wheel. Spokes and aluminum circle. Twist throttle with 5 star. E-bike conversion kit for front wheel. THE BATTERY IS NOT INCLUDED. This electric bicycle kit contains everything needed (except battery) to be your bike in a hoche performance. Which provides unparalleled performance and reliability. We use the brake cable with a power cord, our clients can use disc brakes. But can not use hydraulic brake? About the battery: the size of amps determines the amount of battery storage, the battery storage determines the length of using time, the battery in our pack must match the interface of our controller, the following picture is the controller interface. If it does not match, it will easily damage the machine. Harebellaf verpflichtet sich, alle Anforderungen der WEEE-Richtlinie (2002/96 / EG) zu erfüllen. Harebellaf verpflichtet sich auch, die Anforderungen der RoHS-Richtlinie (2002/95 / EG) zu erfüllen oder zu übertreffen.