The King of Power and Terrain
The AOSTIR – 52V All-terrain Electric Bike King is a powerhouse designed for riders who refuse to be limited by terrain. With its high-voltage system and aggressive styling, this fat-tire ebike delivers uncompromising performance on sand, snow, gravel, and urban streets.
1000W High-Torque Motor
At the heart of the King lies a potent 1000W brushless motor generating 85 Nm of torque. The AOSTIR – 52V All-terrain Electric Bike King achieves a top speed of 50 km/h (31 mph) in Boost Mode . This level of power transforms steep hills and loose surfaces into effortless climbs.
52V 15Ah High-Voltage Battery
The 52V 15Ah lithium-ion battery provides a significant voltage advantage over standard 48V systems. The AOSTIR – 52V All-terrain Electric Bike King delivers 30-45 km (19-28 miles) of range in pure power mode . The higher voltage means reduced voltage sag, maintaining strong acceleration even when the battery level drops.
26″ x 4.0″ Fat Tires for Ultimate Traction
The massive 26″ x 4.0″ fat tires are the defining feature of this all-terrain machine. The AOSTIR – 52V All-terrain Electric Bike King floats over sand and snow, grips loose gravel, and absorbs bumps that would rattle standard tires. These puncture-resistant tires provide confidence on any surface.
Hydraulic Disc Brakes for Reliable Stopping
Safety comes first. The King is equipped with front hydraulic disc brakes (180mm rotor) and rear hydraulic disc brakes (160mm rotor) . The AOSTIR – 52V All-terrain Electric Bike King delivers fade-free stopping power even when fully loaded at high speeds.
Front Suspension Fork for Comfort
The front suspension fork smooths out potholes, roots, and rocky terrain. Combined with the fat tires, the AOSTIR – 52V All-terrain Electric Bike King provides a plush ride that keeps you comfortable on long off-road adventures.
7-Speed Shimano Drivetrain
A Shimano 7-speed transmission system gives you precise gear control for different terrains . The AOSTIR – 52V All-terrain Electric Bike King lets you find the perfect pedaling cadence whether climbing steep grades or cruising on flats.
Three Riding Modes
The King offers three distinct riding modes to match your needs:
- Pedal Mode – Traditional cycling without motor assistance
- Power Mode (PAS) – Intelligent pedal-assist with 5 levels of support
- Boost Mode (Throttle) – Pure electric power without pedaling
Color LCD Display with PAS Intelligence
The YL90T-H color LCD display shows speed, battery level, assist mode, and trip data . The AOSTIR – 52V All-terrain Electric Bike King features a PAS Intelligent Pedal Assistant System, delivering smooth power proportional to your pedaling input.
6061 Aluminum Alloy Frame
The lightweight 6061 aluminum alloy frame provides durability without excessive weight. The AOSTIR – 52V All-terrain Electric Bike King includes thoughtful details like internal cable routing and a sleek black finish that resists trail wear.
Full Commuter Essentials Included
The King comes ready for daily use straight from the box:
- Full-coverage fenders
- Rear rack for cargo
- Front LED headlight
- Kickstand
No expensive add-ons required — everything is included.
Assembly and Fit
Assembly is 85% complete out of the box, with basic tools included. The AOSTIR – 52V All-terrain Electric Bike King fits riders from 165 cm to 190 cm (5’5″ to 6’3″) with a maximum weight capacity of 140 kg (300 lbs) . The bike weighs 38 kg (84 lbs), making it stable and planted on rough terrain.
Who Is the King For?
The AOSTIR – 52V All-terrain Electric Bike King is perfect for:
- Off-road enthusiasts tackling sand, snow, and trails
- Heavy riders needing 300 lb capacity
- Commuters wanting high-speed urban transport
- Hunters and outdoor adventurers
- Riders who prioritize power above all else
To protect your high-voltage battery investment, read our Ebike Battery Care Guide. For routine upkeep, follow our Essential Ebike Maintenance Tips.
Pros:
- 1000W motor with 85 Nm torque (50 km/h top speed)
- 52V 15Ah high-voltage battery (less voltage sag)
- 26″ x 4.0″ all-terrain fat tires
- Hydraulic disc brakes (180mm front / 160mm rear)
- 7-speed Shimano drivetrain
- Front suspension fork
- 300 lb payload capacity
- Full fenders and rear rack included
- Color LCD display with PAS
- Fits riders 5’5″ to 6’3″
Cons:
- Very heavy at 84 lbs (38 kg)
- Limited range (30-45 km in power mode)
- Cadence sensor (not torque sensor)
- No suspension on rear
- High-voltage system requires specialized charger
AOSTIR – 52V All-terrain Electric Bike King: Technical Specifications
- Motor: 1000W brushless, 85 Nm torque
- Battery: 52V 15Ah lithium-ion
- Range: 30-45 km (19-28 miles) in power mode
- Top Speed: 50 km/h (31 mph)
- Controller: 52V 30A
- Frame: 6061 aluminum alloy
- Fork: Front suspension
- Brakes: Hydraulic disc (180mm front / 160mm rear)
- Gears: 7-speed Shimano
- Tires: 26″ x 4.0″ fat tires
- Display: YL90T-H color LCD
- Throttle: Rotary thumb throttle
- Pedal Assist: PAS intelligent system, 5 levels
- Light: Front LED headlight
- Fenders: Full coverage, included
- Rear Rack: Included
- Weight: 38 kg (84 lbs)
- Max Payload: 140 kg (300 lbs)
- Rider Height: 165-190 cm (5’5″ – 6’3″)
- Charge Time: 4-6 hours
- Colors: Black
Why Choose the AOSTIR King?
The AOSTIR – 52V All-terrain Electric Bike King lives up to its name through raw power and capability. The 52V high-voltage system is the standout feature — most competitors use 48V batteries, which sag more under heavy load. The King maintains strong acceleration even as the battery drains.
The 1000W motor with 85Nm torque propels you to 50 km/h, making this one of the fastest legal Class 2/3 ebikes available. The 26″ x 4.0″ fat tires and front suspension provide the confidence to explore terrain that stops other ebikes cold.
At 84 lbs, the King is undeniably heavy. But that weight translates directly into durability, stability, and a 300 lb payload capacity. The included fenders, rack, and lights mean you’re ready to ride from day one.
The AOSTIR – 52V All-terrain Electric Bike King is for riders who prioritize power and all-terrain capability above all else.
For more options, browse our Collection of Fat Tire Ebikes or read our Ebike Buying Guide to find your perfect match.
