We believe that communication is the best way to solve the problem. Please contact us in time. To help you solve the problem as auickly as possible, please describe the problem in detail and provide photos and videos so that we can find the problem.

For pre-orders, please refer to the shipping date on the product page. A shipping confirmation email will be sent to your email once the order has shipped. The carrier is FedEx. Once the items arrived in our warehouse, please allow 3~7 business days for your shipment to arrive at your address. For any third.party shipping, we cannot provide any additional shipping information or documentation. Any delivery dates provided by  are estimates.

An electric bike is legally treated the same as a normal bike. You can ride an electric assisted bike anywhere you can ride your regular bike.

No. The e-bike from longsengglobal is completely under U.S regulations and laws which allow you to ride it without specific license.

Charging the battery from empty to full typically takes 6-9 hours. In rare cases, it may take longer to allow the battery management system to balance the battery,particularly when the bike is new or after long periods of storage.

No, On many batteries this is preferred, however our batteries are all hioh-tech batteries and have built-in mechanisms that protect the battery from overcharging.

Clean your  bike just the way you would clean a reqular bike. The battery can handle water, but it
is recommended to remove the battery before hosing down your  bike.

Yes, we only provide free shipping to the lower 48 states in the s. And we do not ship to PO BOXES or APO.

You can contact our email address, our after-sales service staff will get in touch with you the first time