This cruiser-influenced fat-tire e-bike offers an easy, comfortable, highly customizable ride and great performance across the board.

When testing and reviewing every e-bike, there are certain expectations I have up front, which largely depend on the category it fits into. I expect beach cruisers to have retro styling, relaxed handling, and an extremely comfortable ride. Commuter-style e-bikes should be ergonomic, well-equipped for daily use, and loaded with high-capacity batteries.
Generally speaking, fat tire e-bikes like the AIMA Big Sur 2.0 are powerful, plush, stable, and smooth—and that’s exactly what I found when hopping on the bike for the first time. It felt sturdy, planted, controlled, and comfortable, making it well-suited for casual cruises and intrepid adventures.
The bike surprised me, though.
In short, the Big Sur 2.0 is among the most customizable fat tire e-bikes I’ve ridden. Users can adjust the speed and power of each assist level through the display or the Bafang Go app. Additionally, it offers both torque and cadence-sensing modes for either an active or relaxed pedal experience. However you prefer to ride, you can make this bike your own.
On top of that, it’s simply a well-equipped bike. It sports an enormous, semi-integrated 960 Wh battery, a responsive and smooth 750W Bafang motor, and a powerful Tektro hydraulic brake system. It also features integrated lights, turn signals, and an MIK-HD cargo rack that can be outfitted with locking storage bags or even a child seat.
With all the expected baseline specs and features of a well-put-together fat tire e-bike, and a few extra surprises that help to set it apart from the pack, my hopes were high that AIMA had knocked this one out of the park. We put the bike through our standardized Speed, Brake, Range, and Hill tests to find out how well it compared to its competitors.
The full review below covers our findings!
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