The AOSTIRMOTOR A20 is a compact, foldable electric bike designed for versatility and convenience. Equipped with a 500W motor and 20×4.0-inch fat tires, it offers reliable performance across various terrains. Its foldable design ensures easy storage and transport, making it ideal for urban commuting and recreational rides.
Standout Features
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500W brushless rear hub motor for efficient power delivery
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36V 13Ah removable lithium-ion battery offering up to 35 km range
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20×4.0-inch fat tires for enhanced stability on diverse surfaces
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Shimano 7-speed gear system for adaptable riding
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Foldable aluminum alloy frame for portability
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866-LCD display providing real-time riding data
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Front and rear mechanical disc brakes for reliable stopping power
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Integrated front headlight for improved visibility
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Payload capacity up to 300 lbs accommodating various riders
Frame
6061 Aluminum Alloy, foldable design
Suspension
Front: Rigid aluminum alloy fork
Rear: None
Drivetrain
Shifter: Shimano 7-speed
Cassette: 14–28T
Chainring: 52T
Brakes
Front & Rear: Mechanical disc brakes (180 mm front, 160 mm rear)
Cockpit
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Display: 866-LCD showing speed, battery level, and assist mode
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Throttle: Half-twist throttle
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Handlebar: 660 mm wide aluminum alloy
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Stem: 110 mm adjustable aluminum alloy
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Saddle: Adjustable height (80–92 cm)
Wheels & Tires
Wheels: 20-inch alloy rims
Tires: 20×4.0-inch all-terrain fat tires
E-Bike System
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Motor: 500W brushless rear hub motor
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Battery: 36V 13Ah removable lithium-ion
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Max Range: 25–35 km (pure electric mode)
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Top Speed: Up to 40 km/h
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Pedal Assist System: 5 levels
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Charging Time: 4–6 hours
Specifications
Component |
Details |
Frame |
Foldable 6061 Aluminum Alloy |
Motor |
500W Brushless Hub Motor |
Battery |
36V 13Ah Lithium-Ion |
Max Speed |
40 km/h |
Max Range (PAS) |
35 km |
Tires |
20×4.0-inch Fat Tires |
Suspension |
Rigid Front Fork |
Brakes |
Mechanical Disc Brakes |
Drivetrain |
Shimano 7-Speed |
Weight |
29 kg (Net), 34 kg (Gross) |
Max Load |
136 kg (300 lbs) |
Charging Time |
4–6 hours |