common problem

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


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  • What tire sizes does Lvbu wheels have?

    The standard tire sizes of Lvbu wheel are as follows: 16x2.125; 20x1.5 / 20x1.75; 24x1.95; 26x1.5 / 26x1.95; 27.5x1.95; 29x1.95; 700x23C / 700x28C / 700x35C If you need tires of other sizes, please contact online customer service.
  • Why can't TX series use Bluetooth display with wireless throttle or thumb throttle?

    The TX series is an IoT version and it is not available out of China. The connection of the device requires login to the user’s account, and the thumb throttle control requires Bluetooth connection. If the Bluetooth is directly connected to the wheel, it will bypass the account verification and dire
  • How to clear the mileage data on the wireless display?

    There are 2 ways to clear the current mileage in the APP (The mileage cannot be cleared directly by the display) : 1. Tap and hold the value of speed or current mileage on the main page of the APP to clear; 2. Tap “Current record” in the setting page of the APP and then tap “clear” on the right top
  • What are the differences and advantages of Lvbu ebike kit and the traditional ebike kit?

    Lvbu ebike kit is super easy to install, because there are no external sensors at all. There is no cable or less cables than the other kits. And also it is an intelligent assist ebike system. The assist system is based on the speed, acceleration, the slope of the road, and the assist level that you
  • Does lvbu wheel have a brake sensor? How does it shut down the motor when braking?

    The system will switch off the motor automatically when braking. The kit can sensor the brake by various parameters such as acceleration, angular velocity, current, voltage, and riding speed. It can sense the brake and shut down the motor within 10ms (0.01 second). Will the system shut down the mot
  • What is a disc brake? What is V brake? What are hydraulic disc brake and mechanical disc brake? What's the difference?

    A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc or a rotor to create friction to brake. There are two main types of disc brakes: mechanical, which works with cables, and hydraulic, which replaces the cables with hydraulic fluid in a fully sealed line. W
  • Does Lvbu wheel have a torque sensor?

    Lvbu ebike kit does not have a torque sensor. Lvbu ebike kit uses the intelligent assist system developed by ourselves. The assist system is based on the speed, acceleration, the slope of the road, and the assist level that you set in the APP or display, calculating out the power you need. It will a
  • How does Lvbu wheel recognize uphill?

    Lvbu wheel has a built-in six-axis gyroscope, which can sense the slope of the road such as uphill and downhill. But if you want to detect the slope of the road correctly, you must calibrate the gyroscope angle on the level ground first. The way how gyroscope works is as below: ? The purpose of cali
  • How about the waterproof performance of Lvbu wheel?

    All the Lvbu ebike kits have the waterproof grade of IP65. You can ride it in the rain, but it’s better not park the bike in the rain for a long time. We recommend you to put the bike indoor. You can click here to view the introduction of Lvbu wheel Waterproof Performance. https://www.lvbu.tech/help
  • What material is the hub of the wheel?

    The material of the hub is Aluminum alloy