We only have an English version at the moment but will provide manuals in more languages in the future.

You can find the QR code on the down tube (the side facing the wheel) of the bike. Then scan the code with the Async App to display the Bike ID. 2.You can find the frame number on your bike's bottom bracket.

The net weight of the A1 (battery excluded) is 47 kg (104 lbs). Full weight of the A1 (battery, pedals, mudguards, kickstand and rear carrier included) is 57 kg (126 lbs) .

- There is no need to purchase mudguards, kickstands for the A1 because they will be provided for free, and automatically included in your package.

The package size of the A1：1530*380*860mm 67kg/box

To ensure timely delivery of all the ordered products, sometimes we will send out accessories separately. All other accessories or merchandises will be sent in a separate parcel.

To ensure timely delivery of all the ordered products, sometimes we will send out accessories separately. All other accessories or merchandises will be sent in a separate parcel.

If you cannot make a successful payment, please kindly proceed with the following steps:

1. Check if your card has sufficient funds.

2. Check your internet connection, and refresh your page.

3. Contact your card issuing bank for help. If you need any further assistance, please do not hesitate to contact us at support@asyncbike.com for help.

We accept all major credit cards, debit cards, Apple Pay, Google Pay and Shop Pay.

Our e-bikes can be serviced at most bike shops since most of the components can be found on the market. If you need help with the motor, battery, display, sensor, light, or controller, please do not hesitate to contact us at support@asyncbike.com. We will help you diagnose the issue, and send you the needed replacement parts, together with a video installation guide. Alternatively, you can get it installed at a trustworthy local bike shop, and we will reimburse you for the cost during the warranty.

Our e-bikes use SAMSUNG cells and can still provide 60% capacity after 500 full charge-depletion cycles if taken care of properly. The battery life is highly dependent on how you take care of it. We have prepared a guide on the topic.

The 4 key points to make the battery last longer are:

1. Charge properly
2. Discharge moderately
3. The right temperature
4. Proper storage

Every e-bike's key parts are covered by a one-year warranty, with the frame and front fork's warranty being five years. Details below:

Hydraulic Disc Brakes - 1 year; Display Panel - 1 year; Front Light - 1 year; Tail Light - 1 year; Motor - 1 year; Controller - 1 year; Torque Sensor - 1 year; Waterproof line - 1 year; Forks - 5 years; Frame - 5 years; Battery - 1 year; Charger - 1 year;For more details, please visit the warranty policy page.