common problem

Introduce product related issues in detail, welcome to inquire and solve independently


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  • What should I do if the disc caliper hits the hub or spokes?

    We can adjust the clearance between the hub and the fork by adding or removing the spacing washers on both sides. For example, when the caliper hits the hub or the spokes, then we can add the spacing washers between the fork on the caliper side and the hub to enlarge the clearance to avoid the colli
  • For the all in one ebike kit, how can we check if the wheel installation direction is correct or not?

    First, the side with the brake disc of the motor must be on the left of the bike. Second, the silver mark on the end of the axle must be towards the handle bar of the bike.
  • How to adjust the brake pads and disc clearance?

    There are two brake caliper mounting points on the fork, loosen these two bolts and move the caliper right or left to adjust to obtain a proper clearance, and then tighten the bolts to fix the caliper
  • How to change the direction of the anti-rotate washer (Torque washer)?

    Please see the video as the link below: http://service-lvbu-tech.oss-cn-hangzhou.aliyuncs.com/0-%E7%A7%81%E4%BA%BA%E6%96%87%E4%BB%B6%E5%A4%B9/%E8%89%B3%E7%BA%A2/%E5%94%AE%E5%90%8E%E6%8C%87%E5%AF%BC%E8%A7%86%E9%A2%91/%E4%BF%AE%E6%94%B9%E6%AD%A2%E8%BD%AC%E7%89%87%E6%96%B9%E5%90%91.mp4
  • APP instruction video

    Open the following link to see the APP instruction: https://www.lvbu.tech/media/video/app
  • Where can I download the app?

    You can download the APP by the following ways: 1. Scan the QR code on the products to download the APP; 2. Scan the QR code on the manual and download the APP; 3. Download the APP in the link: https://www.lvbu.tech/app/download; 4. Search "Wepower" in APP Store or Google Play to download
  • How to connect the kits with the APP?

    Open the APP and allow all the permissions those the APP asks for. And tap the magnify glass icon on the right top of the APP to search the Bluetooth address. Select the right address of your kit in the list to connect. *Note: Please connect the kit in the APP, don’t connect it in the operation sy
  • What are the functions of the APP?

    The APP has two main kinds of functions as following: 1. Set the parameters ①Search and bind the Lvbu ebike kit: You need to search and bind the kit with the APP when you use it first time; ②Calibrate the gyroscope angle: The gyroscope angle must be calibrated after the first time you attach or reat
  • How to modify the wheel name?

    After you connect the kit for the first time, the APP will pop up a text input field to modify the wheel name. You can also modify it by the two methods as below: 1. Tap the name of the wheel on the main view of the APP to edit the name; 2. Find the name on the setting page and tap on it to modify.
  • Can I connect the Lvbu ebike kit to a mobile phone and a Bluetooth display at the same time?

    LVBU Wheel cannot be connected to both the mobile phone APP and the Bluetooth display at the same time, it can only connect to a single device at the same time. When you connect the Bluetooth display, you can no longer connect to the mobile phone. One of the devices must be disconnected before the o