Fastron SO Fat Tire Ebike

$400.00 OFF

720 Wh

Battery

Up to 60 Miles

Range

750 W

Motor

28 MPH

Top Speed

8 Speed

Gearing

26*4.0 "

Tires

TUV Safety Certified

Certified in accordance with UL 2849 / UL 2271

$2,199.00 $1,799.00

Conquer all terrains with fat tires, a powerful motor, and a durable step-over frame.

Ship within 2-3 business days

Color — Dark Coffee

Dark Coffee

Avocado Green

Matt Black

Champ.gold

2-Year Warranty

14-Day Returns

Free Shipping

720 Wh

Battery

Up to 60 Miles

Range

750 W

Motor

28 MPH

Top Speed

8 Speed

Gearing

26*4.0 "

Tires

TUV Safety Certified

Certified in accordance with UL 2849 / UL 2271

Questions? Email us at info@leoguarbikes.com

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Continuous Power 750W Brushless Geared Hub Motor

Experience unmatched performance with our 750W ebike motor, designed for adventure lovers. This fat tire electric bike features a whisper-quiet brushless geared hub motor with durable MC nylon planetary gears and an advanced sine wave controller, delivering smooth, powerful rides. Whether you’re tackling hills or pushing against headwinds, this electric off-road bike gives you the freedom to explore farther and faster. You’ll hit top speeds that leave you wondering, how fast does a bike go — up to 28 mph!

750W Rated power

1000W Peak power

85Nm Max. Torque

Features

Fastron SO Fat Tire Ebike

Fastron conquers your toughest terrains with its powerful 750W motor, fat tires, and rugged step-over frame. Ride confidently across trails, sand, or snow. Upgrade to the top version with Shimano 8-speed gears, hydraulic disc brakes, and advanced suspension for smoother, more controlled adventures, perfect for outdoor enthusiasts.

Dual-Lock Battery Security

Our innovative 48V ebike battery system uses a patented dual-lock design, operated by a single key, to prevent accidental battery drops and ensure safe, easy removal. Paired with a robust ebike frame, this system supports your adventures on rugged trails or city streets. Whether you’re a weekend warrior or daily rider, you can trust your commuter ebike stays secure throughout every journey.

Display with Anti-Theft Password Protection

Stay informed and protected with our advanced display system featuring an anti-theft password lock. With IP65 waterproofing, the 2.0” TFT screen keeps your ride data visible rain or shine. This display integrates with the throttle pedal position sensor to deliver precise, smooth power adjustment, giving you ultimate control over your pedal assist electric bike experience.

Shimano 8-Speed Gear Shift & 750W Motor

Pair the powerful 750W ebike motor with a Shimano 8-speed gear shift (12T to 32T range), and you’re ready for anything: uphill climbs, downhill sprints, or cruising on the flats. This pedal assist electric bike lets you customize your ride, balancing power and control for every adventure.

Front Fork Suspension

Tackle rough terrain with confidence using our top-tier alloy front fork suspension. With 3.15 inches of smooth travel, it absorbs every bump, transforming your electric off-road bike experience into a breeze. Ready for dirt paths, rocky trails, or forest routes? This suspension ensures a comfortable, controlled ride.

Pedal Assist & Throttle

With a half-twist grip throttle, you can zoom up to 28 mph and enjoy a range of up to 60 miles. Choose from five pedal assist levels for a tailored ride. Adventure and excitement are only a twist away — and when you wonder how fast does a bike go in real life, this fat tire electric bike will impress with its speed and versatility.

Hydraulic Disc Brakes

Ride with confidence using Tektro 180mm hydraulic disc brakes. Designed for precision and safety, they deliver consistent stopping power, whether you’re riding on busy streets or muddy trails. Trust these brakes on every commuter ebike or electric off-road bike for reliable, low-maintenance braking performance.

Comfort Leather Saddle

Enjoy every ride with our custom-made comfy leather saddle. With a textured litchi finish, this seat ensures long-lasting comfort on extended trips, whether you’re commuting or adventuring. Say goodbye to discomfort and hello to plush, supportive seating.

Vee 26x4.0" Fat Tire

Conquer any terrain with Vee 26x4.0-inch fat tires. These rugged, puncture-resistant tires offer unbeatable grip and traction on rough roads, sand, or snow. Whether mounted on your electric off-road bike or city commuter ebike, they ensure smooth, worry-free riding in all conditions.

Glide with Fastron SO Ebike

Fastron SO ebike's whisper-quiet motor, lightweight battery, and advanced electronics deliver a smooth, powerful ride. Glide over hills and headwinds with ease, enjoying every moment.

Conquer Every Wild Terrain

Conquer sand, snow, and more with our fat-tire eBike's superior grip and ergonomic frame for ultimate comfort and safety. Featuring a powerful 48V 750W 85Nm motor and patented dual-lock battery design, ride confidently on any terrain with unmatched stability and security. Embrace every adventure!

Comfort in Every Ride

Ride like a breeze with our eBike's powerful step-over frame and high top tube design. Glide effortlessly across beaches, roads, fields, and mountains. The ergonomic, balanced frame geometry feels like an extension of yourself—responsive and comfortable. Experience the thrill of speed and adventure, conquering every path with ease!

Advanced Security and Performance

Anti-Theft Protection: Set a password for secure parking, ensuring your eBike stays safe.
Waterproof Protection: IP65-rated design for reliable, worry-free rides in any weather.
High-Resolution Display with Light Sensor: 2.0" TFT LCD screen with auto brightness adjustment for clear reading in any light.
Accurate Diagnostics: Custom Canbus protocol ensures effortless problem diagnosis and enhanced riding safety.
Versatile Pedal Assist: Offers 1-5 levels for a comfortable and personalized ride.
Convenient USB Port: 5V USB port keeps devices charged on the go.

Frame 6061 Aluminum Alloy
Rear Basket Load Capacity 55lbs, Optional, a separate purchase needed
Rider Height 5'3" - 6'5"
Frame Style Trail or off road
Speed 20 MPH; Unlockable to 28 MPH
Range Up to 60 Miles
Type Trail, Off-Road
Brake Levers Tektro Brake Lever with Power Cut-Off Sensor
Bell Included
Rotors 180mm Rotor
Kickstand Alloy Rigid Side Kickstand
Bike Weight 70lbs including the battery weight
Total Weight Limit 300 lbs
Ideal Use Trail or off road

Pedal Assist 5 Levels
Charger 54.6V DC, 3A smart charger, operates on 100V-240V AC power outlets
USB Port One USB-C port, located on display
Headlight 48V,LED with quick disconnected
Motor Hub 48V 750W 85Nm
Battery 48V15Ah (720Wh) Canbus Protocol , Certified by UL 2271
Sensor Cadence Sensor
Cell LG 21700 5000mah cells
Charging Time About 5 Hours
Display Color Display and 5 Speed Levels; Canbus Protocol
Throttle Assist Half Twist Throttle
Tail Light LED with brake light

Chainrings 52T Alloy Forged
Crankset Alloy Forged 6.89"
Rear Derailleur Shimano RD-M360/acera
Brakes Tektro Hydraulic Disc Brakes
Rims 26''*3.15" 36h; Alloy Double Wall
Tires Vee 26''*4.0; 72TPI
Spokes Stainless Steel, 13G Front / 12G Rear
Handlebars Aluminum Alloy; D:1.25" W:29.53"
Stem Black 3D Forged ; 3.15" Length; 7° Rise; 1.25" Handlebar Clamp
Saddle Custom made comfy Leather Seat (Litchi Texture)
Seatpost 1.21" 13.78" length, forged and rigid
Fenders Metal, Optional, a separate purchase needed
Pedals Wellgo Brand, Double Bearing and Forged
Rear rack Black Aluminum Alloy; Optional, a separate purchase needed
Cassette Shimano CS-HG20-8/12-32T/8sp cassette
Front Fork Alloy threadless and oil suspension with lockout; 3.14" travel
Shift lever 8sp Trigger Lever
Chain 128 links, 8sp; KMC Rust-proof

A -- Head Tube Length 5.91"
B -- Top Tube Length 24.41"
C -- Seat Tube Length 17.52"
D -- Stack Height 26.06"
E -- Reach 16.46"
F -- Chainstay Length 20.47"
G -- Wheelbase 49.21"
H -- Wheel Diameter 29.53"
I -- Standover Height 43.31"
J -- Minimum Saddle Height 33.07"
K -- Maximum Saddle Height 40.55"
L -- Minimum Saddle to B.B height 22.64"
M -- Maximum Saddle to B.B height 30.12"

To unlock the top speed of your Fastron SO, which is set to a default of 20 MPH, follow these steps: Navigate to the settings page on the display -> Enter the advanced settings -> Input the password (please email us to obtain the password) -> Change the C3 option from 'off' to 'on' -> Save the settings and exit. This will activate the capability to reach up to 28 MPH.

Fat tires significantly improve traction and stability on a variety of terrains, offering a smoother, more comfortable ride. Their wide surface area enhances grip in both wet and dry conditions, reducing the impact of bumps and ensuring a safer, more controlled cycling experience across all terrain types.

The Fastron SO, a step-over bike, features a high top tube for unmatched stability and power, providing better control and efficiency for those who love speed and adventure. It's perfect for off-road riding, making it ideal for active riders!

The only difference between the Fastron ST and Fastron SO is the design of the top tube. Your choice depends on personal needs and cycling habits. If you're looking for easy mounting/dismounting and a comfortable ride, the Fastron ST's step-thru design is for you. But if you crave speed, intense riding experiences, or need extra stability for challenging conditions, the Fastron SO's step-over design is the better option.

The recommended rider height is 5'3" ~ 6'4", payload 350lbs at maximum.

To charge your Fastron SO's battery, you have two options: Directly connect the charger to the charging port on the bike's frame, or use the key to unlock the battery package, remove the battery, and charge it separately. A full charge typically takes only 4-5 hours.

For further information and solutions, please refer to our FAQs or email info@leoguarbikes.com.

Fastron SO Manual download Fastron SO Fat Tire Ebike

Electric Bike*1

Charger*1

Pedals*1

Manual*1

Toolkit*1

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