Q1: How to charge is the correct charging method?
A: Please check the following link to teach you how to charge properly and use it safely.
Q2: Can I modify the bike by myself, such as brakes, chains, gears, generators?
A: If you are not familiar with the performance of the bicycle, we recommend not to modify it at will. If you must modify it, please contact our customer service staff to verify whether it can be modified.
Q3: Is it possible to disable the throttle?
A: EP-2 PRO: While pressing the brake handle, turn the handle to the maximum, then turn on the power switch of the display, and release the brake handle and the throttle handle after 8 seconds.
ENGINE PRO : Simply unplug the handlebar connector.
Q4: I need to buy parts, how can I buy them?
A: You can consult with our live customer service to buy it.
Q5: My bicycle chain is scratching with the wheel, so I can't change gears, and the derailleur looks deformed, what should I do?
A: If the derailleur guard touches the derailleur screw, the derailleur guard needs to be pulled out. In order to maintain a distance of 15mm between the transmission and the protection device.