Aostirmotor S18 Electric Bike


Aostirmotor S18 in Stock & Ready to Ship
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Aostirmotor S18 Electric Bike

Strong Endurance Mountain Bike

Classic design, powerful performance, practical features.

750W Motor

28Mph Top Speed

43 Miles Max Range

48V 15Ah Battery

Strong Endurance Mountain Bike

Classic design, powerful performance, practical features.

Powerful 750W Motor

Fat tire bike with 750W high-speed brushless gear motors and 48V intelligent brushless controller, it can easily assist you to travel at 28mph.

48V 15AH Removable Lithium Battery

Easy to remove. Reach a range of up to 20-40 miles per charge.

Dual Disc Brakes

Sensitive front 180mm, rear 160mm mechanical disic brakes provide ample braking force even in the harshest conditions efficiently.

Full Suspension

The reliable and robust performance front ZOOM hydraulic spring and rear spring shock absorber which makes riding no longer bumpy.

26*4 Inch Fat Tires

Provide improved grip and traction on the most terrian. It can offer you an easy and smooth riding experience.

Aluminum Alloy Frame

The enhanced ergonomics and improved handling promise a smoother, more confident ride.

The S18 is an incredibly comfortable urban commuter with an aggressive vibe and a unique, curvy frame and battery case. The motor is powerful enough to chug up some pretty steep hills, and the top speed is high enough to keep up with most traffic on side streets. But more than anything, it just looks cool.

Electrified Reviews32K subscribers

It’s a great beginner fat tire full-suspension e-bike. Aostirmotor S18 definitely works for trail riding. The same features that make them great for trails (suspension and fat tires) also make them great for urban obstacles like pot holes and curbs.

Electrek.co167K subscribers




Maximum Speed


Motor Power


Motor Type

Brushless gear hub motor


Shimano 7-Speed

Brake Type

Mechanical disc brakes


Front hydraulic spring and rear spring shock absorber

Drive Mode

5-Level Pedal Assist System, Right Side Half-Twist Throttle

Battery Type

48V 15Ah Lithium-Ion

Travel Distance (Range)


Working Temperature


Input Voltage


System Voltage


Recharge Time

4-6 hours

Tire Size

26×4.0 inch



Tire Type

Off-road fat tire


LCD display

Product Weight




Waterproof Rating


1 x S18 EBike(Fender included)

1 x Li-ion Battery

1 x Battery Charger

1 x Installation Tools

2 x Pedal

1 x Manual