The Snakeskin Trail Dominator
The AOSTIR – S18 Mountain Bicycle is a high-performance electric mountain bike designed for off-road enthusiasts who demand power and stealth . With its unique snakeskin camouflage pattern, this bike blends into forest environments while delivering serious trail performance .
1500W High-Power Motor
At the heart of the S18 is a potent 1500W brushless rear hub motor producing 80Nm of torque . The AOSTIR – S18 Mountain Bicycle achieves a top speed of 30 mph (48 km/h) , making steep hill climbs and rough terrain effortlessly manageable .
48V 15Ah Removable Battery
The 48V 15Ah lithium-ion battery provides ample range for extended off-road adventures . The AOSTIR – S18 Mountain Bicycle delivers 25-40 km (15-25 miles) in pure power mode, with up to 50 miles in pedal-assist mode . Full recharge takes 4-6 hours .
26″ x 4.0″ Fat Tires for Ultimate Traction
Massive 26″ x 4.0″ fat tires provide exceptional traction on sand, snow, mud, and rocky trails . The AOSTIR – S18 Mountain Bicycle floats over soft surfaces and absorbs terrain irregularities that would stop standard mountain bikes .
Front Suspension Fork
The front suspension fork (ZOOM/MOZO) smooths out potholes, roots, and rocky sections of trail . Combined with the fat tires, this model provides a comfortable ride that reduces fatigue on long off-road adventures.
Mechanical Disc Brakes
Front and rear mechanical disc brakes with 180mm rotors provide reliable stopping power in all weather conditions . The bike includes 4 brake pads total, ensuring confident braking on steep descents .
Shimano 7-Speed Drivetrain
A Shimano 7-speed drivetrain gives you precise gear control for different terrains and inclines . You’ll find the perfect pedaling cadence whether climbing steep grades or cruising on flats .
Three Riding Modes
The S18 offers three distinct riding modes to match your needs :
- Pedal Mode – Traditional cycling without motor assistance
- Power Mode (PAS) – 5-level intelligent pedal-assist system
- Boost Mode (Throttle) – Rotary throttle for pure electric power
Color LCD Display
The multifunctional color LCD display shows battery power, speed, mileage, gear, and wattage . All essential ride metrics are visible at a glance.
6061 Aluminum Alloy Frame
The lightweight 6061 aluminum alloy frame provides durability without excessive weight . The frame is built for riders from 5’7″ to 6’5″ with a maximum weight capacity of 300 lbs .
Unique Snakeskin Camouflage Design
The distinctive snakeskin grain pattern sets this ebike apart visually . The AOSTIR – S18 Mountain Bicycle is designed to help hunters and outdoor enthusiasts blend into forest environments while accessing remote spots .
300 Lb Payload Capacity
Built for heavy-duty use, the S18 supports a maximum payload of 300 lbs . You can carry gear with confidence, even on challenging terrain.
Included Features
The S18 comes well-equipped from the factory :
- Front LED headlight
- Full-coverage fenders
- Kickstand
- Spoke wheels for shock absorption
Note: Rear rack is not included (optional accessory) .
Assembly and Fit
Assembly is 90% complete out of the box, with final assembly including the front wheel, handlebars, and pedals . Basic tools are included. The bike weighs 77 lbs (35 kg) and measures 76″ L x 44″ H .
Who Is the S18 For?
The AOSTIR – S18 Mountain Bicycle is perfect for:
- Hunters needing quiet, stealthy forest access
- Off-road enthusiasts tackling rough trails
- Riders who want front suspension on a fat tire ebike
- Those needing 300 lb payload capacity
- Anyone who appreciates unique snakeskin camouflage styling
Pros:
- 1500W powerful motor (30 mph top speed)
- 48V 15Ah removable battery (4-6 hour charge)
- 26″ x 4.0″ fat tires for all-terrain
- Front suspension fork for comfort
- Unique snakeskin camouflage pattern
- 7-speed Shimano drivetrain
- Mechanical disc brakes (180mm rotors)
- 300 lb payload capacity
- Color LCD display
- Fenders and front light included
- 90% pre-assembled
Cons:
- Heavy at 77 lbs (35 kg)
- Mechanical brakes (not hydraulic)
- Limited range in pure power mode (25-40 km)
- No rear rack included
- Mixed customer reviews on quality control
AOSTIR – S18 Mountain Bicycle: Technical Specifications
- Motor: 1500W brushless rear hub, 80Nm torque
- Battery: 48V 15Ah lithium-ion
- Controller: 48V 30A
- Top Speed: 30 mph (48 km/h)
- Range: 25-40 km pure power / up to 50 miles PAS
- Charge Time: 4-6 hours
- Frame: 6061 aluminum alloy
- Fork: Front suspension (ZOOM/MOZO)
- Brakes: Mechanical disc, 180mm rotors
- Brake Pads: 4 total
- Gears: 7-speed Shimano / Sunrace
- Tires: 26″ x 4.0″ fat tires
- Display: Color LCD
- Throttle: Rotary thumb throttle
- Pedal Assist: 5-level PAS
- Riding Modes: Pedal / Boost / Power
- Lights: Front LED headlight
- Fenders: Full coverage, included
- Rear Rack: Not included (optional)
- Suspension: Front only
- Weight: 77 lbs (35 kg)
- Payload Capacity: 300 lbs
- Rider Height: 5’7″ – 6’5″
- Saddle Height: 88-100cm (34.6-39.4 inches)
- Colors: Snakeskin Camouflage
- Model Year: 2021
- Certification: UL certified components
Why Choose the AOSTIR S18?
The AOSTIR – S18 Mountain Bicycle stands out for its powerful 1500W motor and unique snakeskin camouflage styling. The 80Nm torque motor provides class-leading power for climbing steep hills and carrying heavy loads up to 300 lbs . The 26″ x 4.0″ fat tires and front suspension keep you comfortable on terrain that would rattle lesser bikes .
The distinctive snakeskin pattern is more than aesthetics — it’s functional camouflage for hunters who need to stay hidden in forest environments while accessing remote spots . This bike is built for the outdoorsman who wants to cover more ground quietly.
Customer reviews praise the bike’s power, speed (achieving 31-35 mph on flat ground), and comfortable ride . Some users report quality control issues, making careful inspection upon delivery important.
The AOSTIR – S18 Mountain Bicycle is for riders who want a powerful, front-suspension fat tire ebike with unique snakeskin camouflage styling.
For more options, browse our Collection of Fat Tire Ebikes or read our Ebike Buying Guide to find your perfect match.
