Customer Help

Frequently asked questions

Where can I buy the Big Sur?

You can purchase the Big Sur e-bike at one of our many authorized AIMA dealerships across the United States. To locate an AIMA dealer nearest you, please visit this link to find a dealer. If you can't find a dealership nearby, you can contact us at We are continually expanding our network to provide more options.

How many models does AIMA produce?

AIMA currently offers two exciting e-bike models in our lineup. Our well-loved Big Sur model is available in two striking colors, Ivory White and Matte Black. This powerful and stylish e-bike is perfect for your adventures, exceeding expectations.

Additionally, we're excited to introduce the Big Sur Sport, a slightly more compact version with sportier features, including a sportier handlebar and a 7-speed Shimano gear set. It will retain the same long-range battery, high-performance brakes, UL certification, and all the other remarkable features that people love about the regular Big Sur. New models are also on the horizon, so stay tuned for updates on our expanding range of e-bikes. We can't wait to share these exciting additions with you!

How do I adjust my bike's display settings?

Download File: PDF

How do I maintain the TEKTRO hydraulic brakes?

Download File: PDF

How long does my battery take to charge?

Charging your battery typically takes between 4 to 6 hours to reach full capacity for the battery on our Big Sur models. Please use only AIMA's provided charger to ensure safe and efficient charging. Using other chargers may not only harm the battery but also potentially void warranties. If you have any questions or concerns regarding your battery or charging process, please don't hesitate to reach out to us. Your safety and the longevity of your e-bike are our top priorities.

How do I register my bike and why is it recommended?

Registering your bike's serial number on the official brand website provides proof of title, insurance claims and provides warranty verification.

Please register your ebike here: Bike Registration

What is top speed of Big Sur?

In throttle control mode, the maximum speed is 20 miles per hour. You can choose from 5 levels of pedal assist in our Pedal Assist System (PAS), ranging from minimal assistance to a turbo-like boost in PAS level 5. With PAS, the Big Sur can achieve a top speed of 28 MPH.

Where do I find my bike's serial number?

The Serial Number of AIMA Big Sur is located near the crankset. The combination of 11 letters and numbers engraved on the bike body when you see through the hole of Crankset is the serial number of this e-bike.

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