Experience a smoother, more comfortable ride with 20x4 fat tires designed to handle varied terrains easily. The powerful 500W motor puts control at your fingertips, helping you tackle hills and longer journeys without breaking a sweat.
Aostirmotors A20 Folding Fat Tire Electric Bike Highlights
Stylish, Compact Design: The A20 features our lowest stand over height, making it accessible for many riders without sacrificing quality or features. Its foldable frame allows easy storage in tight spaces, and the 20x4 tires offer enhanced comfort. Available in new color options to match your style.
Powerful Performance: Cruise through city streets at up to 25 mph with ease. The A20 provides a range of 20 miles, offering you freedom and flexibility on every ride. Its 500W motor and compact wheels maximize mobility, especially in crowded urban environments. It can cover up to 30km on pure electric mode with a robust 300lb load capacity.
Simple Assembly: The bike arrives 90% pre-assembled, so setting up is quick and easy. Some final assembly steps are required, such as attaching the pedals, handlebars, and front tire.
Key Features
500W Rear Hub Brushless Motor
36V/13Ah Seat-Tube Mounted Removable Battery
5-Level Pedal Assist System (PAS) w/ Speed Sensor + Right side Twist Throttle & 7-Speed Gears
5-Level Pedal Assist System (w/ Speed Sensor), Right Side Half-Twist Throttle & 7-Speed Shimano Sunrace Derailleur
Charge Time
4-6 Hours
Brake
Tektro Mechanical Disc Brakes with 180mm Front & 160mm Rear Rotors
Max Speed
15 mph
Fork
Aluminum Alloy Rigid Fork
Frame
6061 Lightweight Aluminum Alloy Folding Frame
Handlebar Dimension
31.8mm x 660mm
Stem
28.6mm x 31.8mm x 110mm
Tire
20” x 4” Chaoyang Fat Tires Mounted on Aluminum Alloy Spoked Wheels
Saddle
Folding Saddle
Lights
LED Front Headlight and Rear Reflector
Pedals
Folding Pedals
Fenders
Black Plastic Fenders
Weight
64 Lbs
Bike Dimensions (L x H)
69.2” x 48”
Folded Dimensions
35” x 27.5”
Box Dimensions & Weight
55” x 11” x 26.7” (75 Lbs.)
Wheelbase
45”
Wheel Diameter
22”
Minimum Seat Height
31.4”
Maximum Seat Height
36.2”
Standover Height
25”
Handlebar Length
25”
Max Weight Capacity
260 Lbs
Rear Rack
Optional
Assembly
The A20 comes mostly assembled. Final assembly includes attachment of pedals, handlebar, front wheel, seat, fender, and light. See the assembly video below.
Tools Required
4mm, 5mm, and 6mm hex (Allen) keys, and 8mm/10mm and 13mm/15mm wrenches (Included)
Shopping at VoltCraft made finding the right e-bike easy. Their range of eco-friendly e-bikes and helpful customer support made all the difference. I’m thrilled with my purchase
Mark H
San Francisco, CA
★★★★★
I bought my e-bike through VoltCraft, and it has completely transformed my daily commute. The range of brands they offer made it easy to find the perfect fit for my needs. Highly recommend their service
Sarah T.
Los Angeles, CA
★★★★★
VoltCraft’s selection of top brands gave me so many options, and I found the perfect e-bike for my weekend trail rides. The bike performs exceptionally well, and the purchase process was seamless
David R
Boulder, CO
★★★★★
VoltCraft’s wide selection of e-bikes made it easy for me to find the perfect one for my needs. Plus, the delivery was quick, and I was riding in no time!
James L.
Phoenix, AZ
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