Aostirmotor S18 48v/15ah 750w All Terrain Fat Tire Electric Mountain Bike 160694


Are you an adventure enthusiast looking for a powerful and versatile electric mountain bike? Look no further than the AOSTIRMOTOR S18. With its impressive specifications, all-terrain capabilities, and user-friendly features, the AOSTIRMOTOR S18 is designed to elevate your off-road biking experience. In this article, we will delve into the details of this exceptional electric mountain bike, exploring its features, performance, and user feedback. So, let’s dive in and discover what sets the AOSTIRMOTOR S18 apart from the competition.


Electric mountain bikes have gained immense popularity in recent years, offering a thrilling and eco-friendly alternative to traditional mountain bikes. The AOSTIRMOTOR S18 is one such contender in the market that has caught the attention of outdoor enthusiasts. With its robust motor, durable build, and exceptional performance, the AOSTIRMOTOR S18 is designed to conquer any terrain with ease.


The AOSTIRMOTOR S18 is a 48V/15AH 750W all-terrain fat tire electric mountain bike that combines power, durability, and versatility. It is equipped with a high-performance motor, a long-lasting battery, and a sturdy frame to provide an exhilarating riding experience. Whether you’re tackling steep hills, rough trails, or exploring off-road terrains, the AOSTIRMOTOR S18 is built to handle it all.

Specifications of the AOSTIRMOTOR S18

Motor and Power

At the heart of the AOSTIRMOTOR S18 is a powerful 750W brushless motor, delivering exceptional torque and acceleration. This motor allows riders to effortlessly conquer challenging terrains, making uphill climbs and rough trails a breeze. The motor is paired with a responsive pedal-assist system, providing an extra boost of power when needed.


The AOSTIRMOTOR S18 is equipped with a high-capacity 48V/15AH lithium-ion battery, offering an impressive range on a single charge. With this battery, riders can enjoy extended rides without worrying about running out of power. The battery is easily removable, allowing for convenient charging both on and off the bike.

Frame and Design

Built to withstand the rigors of off-road riding, the AOSTIRMOTOR S18 features a robust and durable frame. It is constructed from high-quality aluminum alloy, ensuring strength and stability without compromising on weight. The sleek design of the bike is complemented by the attention to detail in its craftsmanship, making it an eye-catching choice for outdoor enthusiasts.

Tires and Suspension

The AOSTIRMOTOR S18 boasts fat tires that provide excellent traction and stability on various terrains. These wide tires enable riders to confidently navigate through sand, mud, snow, or uneven surfaces. Additionally, the bike features front and rear suspension, absorbing shocks and bumps to deliver a smooth and comfortable ride.

Brakes and Gearing

Equipped with hydraulic disc brakes, the AOSTIRMOTOR S18 offers reliable and responsive stopping power. These brakes ensure precise control and safety, even in challenging conditions. The bike also features a multi-speed Shimano gear system, allowing riders to effortlessly switch between gears for optimal performance on different terrains.

Performance and Range

The AOSTIRMOTOR S18 is designed to deliver exceptional performance on all types of terrain. With its powerful motor and responsive pedal-assist system, riders can enjoy a thrilling and effortless riding experience. The bike offers a top speed of up to 28 mph (45 km/h), allowing you to cover long distances in less time.

In terms of range, the AOSTIRMOTOR S18 doesn’t disappoint. With its high-capacity battery, riders can achieve a range of up to 55 miles (88 km) on a single charge, depending on the riding mode and terrain. This impressive range ensures that you can embark on longer adventures without worrying about running out of battery power.

All-Terrain Capability

One of the standout features of the AOSTIRMOTOR S18 is its all-terrain capability. The fat tires and robust suspension system enable riders to conquer a wide range of terrains with ease. Whether you’re exploring rugged mountain trails, cruising along sandy beaches, or navigating through snowy landscapes, the AOSTIRMOTOR S18 ensures a smooth and enjoyable ride.

Comfort and Ergonomics

The AOSTIRMOTOR S18 prioritizes rider comfort with its ergonomic design. The adjustable saddle height and handlebars allow riders to find their optimal riding position, reducing strain and fatigue on long rides. The bike’s suspension system further enhances comfort by absorbing vibrations and bumps, providing a plush and enjoyable riding experience.

Safety Features

Safety is paramount, especially when engaging in off-road biking adventures. The AOSTIRMOTOR S18 incorporates several safety features to ensure a secure riding experience. The hydraulic disc brakes provide reliable stopping power, allowing riders to maintain control in various conditions. The bike is also equipped with bright LED lights, enhancing visibility and ensuring that you’re seen by others on the road.

Also Read:

Best Fat Tire Electric Mountain Bike: Aostirmotor S07-B 48V/13AH 750W

Product Specifications: Aostirmotor S18-1500w Fat Tire Electric Mountain Bike

User-Friendly Features

The AOSTIRMOTOR S18 is designed with user convenience in mind. It features a user-friendly LCD display that provides real-time information, such as speed, distance, battery level, and riding mode. The bike also offers multiple riding modes, including pedal-assist and throttle-only modes, allowing riders to choose the level of assistance based on their preferences and terrain.

Pros and Cons of the AOSTIRMOTOR S18

Like any product, the AOSTIRMOTOR S18 has its pros and cons. Let’s take a closer look at what makes this electric mountain bike stand out, as well as some aspects that could be improved:


  1. Powerful 750W motor for excellent torque and acceleration.
  2. Long-lasting battery with an impressive range.
  3. Robust and durable frame built for off-road adventures.
  4. Fat tires and suspension system for superior traction and comfort.
  5. Hydraulic disc brakes for reliable and responsive stopping power.
  6. User-friendly LCD display and multiple riding modes.


  1. The bike’s weight may be a challenge for some riders.
  2. The seat could be more comfortable for extended rides.

Comparison with Competitors

In a market filled with electric mountain bikes, the AOSTIRMOTOR S18 holds its own against the competition. Its powerful motor, high-capacity battery, and all-terrain capability make it a formidable choice for adventure enthusiasts. When compared to similar models from other brands, the AOSTIRMOTOR S18 offers competitive performance, range, and features at a relatively affordable price point.

Customer Reviews

The AOSTIRMOTOR S18 has garnered positive reviews from customers who have experienced its capabilities firsthand. Riders appreciate its powerful motor, smooth ride, and exceptional performance on various terrains. The bike’s durability and user-friendly features are also highly regarded. Some customers have mentioned the weight of the bike as a minor drawback, but overall, the AOSTIRMOTOR S18 has received praise for its quality and value.

Maintenance and Warranty

To ensure the longevity and optimal performance of the AOSTIRMOTOR S18, regular maintenance is recommended. This includes checking and adjusting tire pressure, inspecting the brakes, and keeping the bike clean. It’s also important to follow the manufacturer’s guidelines for battery care and charging.

The AOSTIRMOTOR S18 comes with a warranty that covers manufacturing defects and faulty components. The specific terms and duration of the warranty may vary, so it’s advisable to review the warranty details provided by the manufacturer.

Pricing and Availability

The AOSTIRMOTOR S18 is available for purchase from authorized dealers and online retailers. The price of the bike can vary depending on the region and any ongoing promotions or discounts. It’s recommended to check with local dealers or visit the manufacturer’s official website for the most up-to-date pricing information.


If you’re in search of a powerful, all-terrain electric mountain bike that delivers exceptional performance and versatility, the AOSTIRMOTOR S18 is worth considering. With its robust motor, long-lasting battery, and user-friendly features, this bike is designed to elevate your off-road adventures. Whether you’re exploring mountain trails, cruising on sandy beaches, or tackling snowy landscapes, the AOSTIRMOTOR S18 will provide an exhilarating and comfortable riding experience.

So, gear up, embrace the thrill of off-road biking, and take your adventures to new heights with the AOSTIRMOTOR S18!


How fast can the AOSTIRMOTOR S18 go?

The AOSTIRMOTOR S18 offers a top speed of up to 28 mph (45 km/h), allowing you to cover long distances in less time.

What is the range of the AOSTIRMOTOR S18?

On a single charge, the AOSTIRMOTOR S18 can achieve a range of up to 55 miles (88 km), depending on the riding mode and terrain.

Can the battery be removed for charging?

Yes, the AOSTIRMOTOR S18 is equipped with a removable battery, allowing for convenient charging both on and off the bike.

Are the brakes on the AOSTIRMOTOR S18 reliable?

Yes, the AOSTIRMOTOR S18 features hydraulic disc brakes that provide reliable and responsive stopping power, ensuring safety in various conditions.

Is the AOSTIRMOTOR S18 suitable for beginners?

While the AOSTIRMOTOR S18 offers powerful performance, it can be suitable for beginners as well. The multiple riding modes and user-friendly features allow riders to adjust the level of assistance and control based on their skill level and preferences.



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