Aostirmotor S18 All-Terrain Electric Mountain Bike

Aostirmotor Bikes

Regular price
Price: $1,099.00
Regular price
List Price: $1,560.99
Sale price
Price: $1,099.00
You save: $461.99 (30%)
Shipping calculated at checkout.
Additional 5% off $100 or more and Free Shipping | Coupon Code: RIDE NOW | Ends:
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FREE Shipping to All 48 Lower States All The Time!

Order Confirmation:
As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail or text message.  If your item(s) are available, we will process the charges and submit the order for shipment.

Order Shipment:
If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

Shipping Times:
Shipping to the lower 48 usually takes between 3 to 5 business days but you should allow 3 to 10 business days depending on carrier used and delivery location.

Please Note: All pre-orders on out of stock products will not be shipped or delivered on the store’s estimated delivery dates. For more information please email us at

Price Match Guarantee

Price Match Guarantee

We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price than us within six months of your purchase date please let us know and we will refund your original payment for the difference.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

  • You must purchase the item from our website before requesting your Price Match Guarantee
  • Promotions such as rebates and buy one, get one free offers are not eligible
  • The item must be in stock on the competitors website
  • The competitor must be an online store, they may not have a retail location
  • The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
  • The competitor must be an Authorized Retailer of the product in question
  • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax


This Deal Ends In: 48 Hours


S18 All-Terrain Electric Mountain Bike By Aostirmotor Bikes

Introducing the All-Terrain Electric Mountain Bike S18: Conquer the Great Outdoors with Ease!


Unleash the adventurer in you with the AostirMotor S18, the ultimate all-terrain electric mountain bike. Whether you're scaling rugged trails, cruising city streets, or tackling challenging off-road terrain, this e-bike is designed to provide an exhilarating and eco-friendly ride, offering you unparalleled freedom and flexibility.


  • Powerful Electric Motor: The S18 is equipped with a robust 750W brushless motor that effortlessly tackles steep hills and provides swift acceleration, allowing you to explore with confidence.

  • Long-Lasting Battery: Its 48V 15Ah lithium-ion battery ensures extended riding time, covering up to 50 miles on a single charge, so you can go the distance.

  • All-Terrain Tires: Designed for versatility, the S18 boasts 26-inch fat tires that grip any surface - be it mud, snow, sand, or gravel - ensuring a smooth and stable ride.

  • Adjustable Suspension: Front and rear air shocks offer customizable suspension to absorb shocks and guarantee a comfortable, controlled journey on any terrain.

  • Responsive Disc Brakes: Hydraulic disc brakes provide powerful stopping performance, enhancing your safety on steep descents and in unpredictable conditions.

  • Digital Display and Control: The LCD display keeps you informed about your speed, distance, battery life, and power level, and the ergonomic handlebar-mounted control lets you adjust assistance levels effortlessly.

  • Lightweight Aluminum Frame: The S18's durable yet lightweight aluminum frame is built to handle the rigors of off-road riding while still being easy to manage.

  • Integrated LED Lighting: A front LED light and rear brake light ensure visibility and safety during nighttime adventures.

  • Foldable Design: The bike's compact, foldable frame allows for easy transport and storage, making it perfect for those on the go or with limited space.


  • Unbeatable Versatility: Conquer a wide range of terrains, from mountain trails to city streets, with confidence and ease, making every ride an adventure.

  • Extended Exploration: Enjoy longer rides without worry, thanks to the high-capacity battery, taking you further than ever before.

  • Comfortable and Controlled Ride: Experience a smooth journey on even the roughest trails with adjustable suspension and responsive brakes.

  • Intuitive Control: Stay in command with the user-friendly digital display and control, tailoring your ride to your preferences.

  • Safety and Visibility: Ride with peace of mind, knowing you're equipped with powerful brakes and integrated LED lighting.

  • Convenient Portability: Fold the bike effortlessly for transport or storage, offering ultimate convenience for your active lifestyle.

The AostirMotor S18 electric mountain bike is your ticket to freedom and adventure. With its powerful motor, rugged construction, and versatile features, you'll be able to explore new horizons and embrace the thrill of the outdoors like never before.

S18 All-Terrain Electric Mountain Bike Rundown Video

Experience the Ultimate Freedom and Adventure with the AostirMotor S18 E-Bike!

Tired of being limited by the constraints of traditional biking? The AostirMotor S18 electric mountain bike offers a liberating and thrilling experience that redefines outdoor exploration. Here's why you should choose the S18 for your next adventure:

Unmatched Power and Performance: Conquer the steepest inclines and rugged trails effortlessly with the S18's robust 750W motor. You'll power through challenging terrain, leaving ordinary bikes in the dust.

Unrivaled Range: Say goodbye to range anxiety! Our high-capacity 48V 15Ah lithium-ion battery ensures you can explore for up to 50 miles on a single charge, granting you the freedom to roam far and wide.

Year-Round Riding: No need to pack up your bike for the winter. The S18's all-terrain fat tires handle snow, mud, sand, and more, ensuring year-round adventure and excitement.

Comfort in Every Bump: Adjustable front and rear air shocks provide a smooth and comfortable ride. Experience less jarring and more control over uneven terrain.

Safety First: Hydraulic disc brakes and integrated LED lights ensure your safety in all conditions, giving you peace of mind while tackling the great outdoors.

Personalized Control: With the intuitive digital display and handlebar-mounted control, you can customize your ride to match your style and terrain.

Compact and Portable: The S18's foldable design allows you to take your adventure with you. It's perfect for travelers, campers, and anyone short on storage space.

Make your next outdoor journey unforgettable with the AostirMotor S18. Embrace the freedom, versatility, and excitement of electric mountain biking. Get ready to experience the world like never before!

Range is an estimate and depends on a variety of real-world conditions including but not limited to weight, terrain, tire pressure, terrain, temperature, and wind. Learn more about the e-bike range in this article.


Velofix is the perfect solution to ride more and save time.

With in-home assembly and repair from Velofix, you'll never have to spend your days in a bike store again. Velofix will assemble or repair your ride from the comfort of your home.


  • White glove assembly
  • Repairs
  • Maintenance

Please visit Velofix to schedule your in-home assembly.

4 Great reasons to buy from us:

  • Image of 4 topreasons Free shipping store wide
  • Image of 4 topreasons Top Tier Customer Service
  • Image of 4 topreasons UL 2849 Certification
  • Image of 4 topreasons Our Store Uses Secure Checkout Methods

Customer Reviews

Based on 2 reviews
Amir Lincoln

Great Bike ive had it for 3 years

Donald Hurd

This was an expensive purchase for us. Our recent move to the mountains means more outdoor activity and fun. While bike friendly, we are unable to go up long stretches of incline without some assistance.