Big Sur Tank

Meet the AIMA Big Sur Tank, a limited edition model built on the legacy of the original Big Sur, yet loaded with enough upgrades to earn its “Tank” moniker.

The Big Sur Tank is a rugged, all-terrain fat-tire e-bike featuring a 750W Bafang motor, an upgraded 20Ah battery for extended range, and enhanced safety features like integrated turn signals and 203mm hydraulic disc brakes. 

• Motor: A 750W (rated) 48V brushless Bafang rear hub motor, known for its powerful and quiet operation.
• Battery: An upgraded, removable internal 48V, 20Ah (960Wh) lithium-ion battery with LG 21700 cells, offering a longer range of 40–75+ miles (range varies by terrain and assist level).
• Speed: Capable of up to 20 mph on throttle mode (Class 2) and up to 28 mph on pedal assist (Class 3).
• Assistance: Features both a throttle on demand and 5 levels of pedal assist with a responsive torque sensor for smooth power delivery.