AOSTIRMOTOR AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike - eBike Haul
AOSTIRMOTOR AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike - eBike Haul
AOSTIRMOTOR AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike - eBike Haul
AOSTIRMOTOR AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike - eBike Haul
AOSTIRMOTOR AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike - eBike Haul
AOSTIRMOTOR AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike - eBike Haul

AOSTIRMOTOR All Terrain S18-Black 750W 48V Electric Mountain Bike

Get 4% off On Order $500 & Up Use Code WelcomeSummer | Ends:
Regular price$1,499.00
Tax included. Shipping calculated at checkout.

  • Free shipping within the United States.
*Please Note: This item is only available for sale in the contiguous United States.
  • In Stock, Processing time 3-10 Business Days

750W Motor and Removable lithium battery

All Terrain Electric Mountain Bike S18 with a powerful 750W motor, Strong driving force, Long Endurance and Removable 48V 11.6ah Lithium Battery supports 15 mph speed, charging time 4-6 hours.

Easy to Assemble and High Quality

90% Pre-assembled. You can charge your phone by SW-U-LCD display. Our Ebike uses a light and strong aluminum alloy frame. It's equipped with front light, rear reflector, F/R disc brake TEKTRO, SHIMANO Outer 7 speed.

Excellent For All Terrains

S18 using 26x4.0 inch fat tires, providing great traction. You'll have no problem cruising over beach, snow, gravel, rain, dirt, sand even ice and enjoying the ultimate electric biking adventure.

Three Working Modes

Features three Working Modes including E Bike, Pedal Assist & Normal Pedal Modes.

We Ship from CA, USA  

Please note: Due to logistics policy, your order will be shipped with two packages. One package is BICYCLE and the other is BATTERY. 



Motor: Truckrun Brand 750W Rear Hub Motor
Battery: 48V/15Ah Removable Lithium-Ion Battery w/ Samsung Cells
Controller: 48V/22A
Charger: 110-220V
Display: Aostirmotor SW-U-LCD Display
Drive Modes: 5-Level Pedal Assist System, Right Side Half-Twist Throttle & 7-Speed Shimano Sunrace Derailleur
Charge Time: 4-6 Hours
Frame: Full-Suspension 6061 Aluminum Alloy Frame
Handlebar: 31.8mm x 660mm
Stem: 28.6mm x 31.8mm x 110mm
Brake: Tektro Mechanical Disc Brakes w/ 180mm Front & 160mm Rear Rotors
Tire: 26” x 4” Fat Tires Mounted on Aluminum Alloy Spoked Wheels
Front Suspension: Zoom Hydraulic Fork w/ Lockout
Rear Suspension: Rear Spring Shock, L = 125mm, w/ 20mm of Stroke
Saddle: City Type 27.2mm x 250mm
Light: Front and Rear
Fender: Included
Max Speed: 28 mph
Net Weight: 77 Lbs
Gross Weight: 88 Lbs
Product Size: 73” x 44”
Package Size: 64” x 11” x 32”
Minimum Seat Height: 31”
Maximum Seat Height: 35”
Handlebar Length: 26”
Standover Height: 33”
Weight Capacity: 300 Lbs
Tool Kit: 1 pcs

Product Size

  1. Normally, your order will be picked up by FedEx from our warehouse within 3 days;
  2. Shipping time of your order: 7-15 days.

Shipment to P.O. boxes or APO/FPO addresses ships to addresses within the U.S., some of U.S. Territories (Please consult Sales@ before ordering) and does not ship to P.O. Box and APO/FPO/DPO addresses.

Shipment confirmation & Order tracking

You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours. 

Damages is not liable for any products damaged or lost during shipping. If you received your order damaged or lost your package, please contact us within 20 days at

Return & Refund


Customers can request a full refund within 24 hours after placing an order on Please note that we will charge a transaction fee if you apply for the refund after 24 hours and before delivery (2.6% for credit card users, 3.6% for PayPal users, 3.5% for Affirm users). Orders purchased after 30 days could not be canceled.


If you want to return the electric bicycle without defective or damaged, we only accept return requests submitted within30 daysof delivery. Please contact customer service staff ( within 30 days. We will not accept return of bicycles without defective or damaged after 30 days.The ebike must have less than ten miles on the odometer, be free of any wear, dirt, dust, fragrance, or any other signs of use. And must be in the same packaging and condition that you receive it and must include all items that were inside the box (bike, charger, keys, kit, etc.).

We will charge15%of the bicycle order as a processing fee, and you can only get a85%refund of the total order price.

Purchased Products that have not yet shipped shall be subject to a 10% processing fee.

Return process(return application is only accepted by email, not by phone)

a. Submit you return requestby mail. The email needs to include the order information, the reason for the return and the picture of the bike.

b. You need to pack the bicycle according to our requirements, take pictures after packing and send them to us.

c.After getting authorizationfrom the customer service staff, we will send you aprepaid label. You need to print our label and affix on the box.

d. Your refund will be returned withinthree working daysafter our warehouse confirms receipt of the goods. Due to the reason of the bank, the refund time may be somewhat delayed.

If the product is returned without authorization from our customer service staff, it will be rejected and returned to you at your cost.

Non-returnable items include:

All the accessories

Special orders

Used products (except for extreme breakage/malfunction)

We promise that all electric bicycles received by our customers are brand new and we will never sell you any electric bicycles that are returned, refurbished or cleared from stock.

Contact Us:

Monday – Friday: 9AM – 5PM (PST)



Warehouse Address:

1567 S Campus Av, Ontario, CA 91761

After-sale warehouse address:

2710 Yates Ave, Commerce, CA 90040

S18-Black: Strong Endurance Mountain Bike We designed the S18 to give you the absolute best riding experience. It embodies a thoughtful balance of classic design, powerful performance and practical utility features. Affordable, High Quality, Powerful
S18-Green: Most Popular Mountain Bike The front and rear lights are powered by the battery, and the color matching fenders and puncture resistant tires let you ride in any weather condition. Riding in various terrains effortlessly with this powerful ebike. Keep moving on the trip. Fat Tire, MTB, Hunting
750W MOTOR: With Maximum Torque 85 N.m The rear e-bike motor is designed to provide power and boost to riding. Arriving at your destination relaxed and ready to get on with your day. Great Performance MAX ROTATING SPEED: 360 Rpm TOP SPEED: 27 Mph MAXIMUM TORQUE: 85 Nm
48V 15AH BATTERY: Long Rides Waterproof, Removable Get up to 20 miles on a single charge and easily recharge the battery on or off the bike. Great Performance CAPACITY: 48V 15Ah RANGE: 20 Miles RECHARGE: 5-7H
SW-LCD DISPLAY: Programmable, Fully Customizable We've made it easy to control your E-bike. With five levels of pedal assist and a throttle at your finger tips, it's never been so easeful to get around. Plus, the handlebar display always lets you know how much farther you can go. Great Performance Battery Capacity USB Charging Odometer Speedometer
26×4.0 Granulated Fat Tires: Provide improved grip and traction on the most terrian. It can offer you an easy and smooth riding experience.
Rear Spring Shock: The reliable and robust performance rear coil shock which makes riding no longer bumpy.
Front 180Mm Disc Brakes: Sensitive front 180mm, rear 160mm mechanical disic brakes provide ample braking force even in the harshest conditions efficiently.
Dental Plate: Durable aluminum crankset guards to provide further protections to the chainring and help the chainstay to travel over rough terrain.

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