Your e-bike will arrive partially assembled. There are just a few pieces to put into place once you take the bike out of the box. For unboxing and setup instructions, please follow the guides on our YouTube Channel or you can scan the QR code on the product page to watch the video.

GUNAI recommends that only riders aged 14 and above ride on our electric bikes. Be sure to check your local state e-bike laws to guarantee the age limit for e-bike riding.

No, the display is not waterproof.Drizzle will not enter the screen, but if you ride in heavy rain, water will seep into the screen and cause a short circuit on the circuit board.

Most of the e-bike can withstand moderate moisture. Weather like drizzle should not cause problems. However, we don’t recommend riding e-bike in a downpour, as this may cause the battery shorted out. In wet weather, please clean the bike after each ride to keep the bike dry if possible.We strongly recommend keeping it indoors during rains or severe weather conditions.

Generally speaking, in order to avoid battery undervoltage, we recommend charging it at least once a month.
It would be great if you can top the battery up after each ride.
Please keep your battery charging port away from any metal objects.

For more information about the battery, please check the battery section in the manual.

Yes, you can buy an extra battery from our website.

GUNAI does not recommend riding with more than one adult on the bike at a time. This ensures safer riding conditions as well as increased maneuverability and control for the rider.

For more detailed information, please refer to the Warranty Policy.

We currently do not provide a customer service number, but we would be willing to reply the most of your questions via email.

In general, for models that are in stock in European warehouses, the shipping time is 3-8 working days.
If the model you purchased is on the way from China to the European warehouse, we will inform you of the actual situation and waiting time via email.

But please remember that we rely on third-party couriers, so the delivery date/time is not within our control.

If there are any other questions, please feel free to contact us. we will try our best to ensure your satisfaction with our services:service@gunai-ebikes.com.

You should expect it to take anywhere between 6 to 9 hours for a full battery charge. Please note that there are varying times due to the internal battery balancing systems and can influence the duration of charging.