Fastest stopping fat-tyre bike

Jasion Thunder

Heavier riders and hilly areas: big battery, 400 lb capacity and hydraulic brakes.

Our pick: Fastest stopping fat-tyre bike. The Jasion Thunder is a fat tyre e-bike with 1800W of peak motor power and 864Wh of battery, about $680 on Amazon. It suits heavier riders and hilly areas: big battery, 400 lb capacity and hydraulic brakes. The catch: the listing claims 30+ mph; above 28 mph an e-bike is no longer Class 3 in most US states. Keep it set to your local limit.

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Obsidian Blackabout $680Slate Grayabout $730Gunmetal Grayabout $750

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Type: Fat tyre
Motor: 1800W peak
Battery: 864Wh
Top speed: 28 mph (listing)
Range claimed: up to 80 mi
Range, real world: about 30 to 45 mi
Tyres: 26 x 4 in
Suspension: Front fork
Brakes: hydraulic disc
Max load: 400 lb

Specs are the maker's own, from the Amazon listing. Real range is our estimate from the battery size.

Why we pick it

1800W peak, 85Nm
48V 18Ah (864Wh) removable battery
Hydraulic disc brakes, turn signals
Carries up to 400 lb

The catch

The listing claims 30+ mph; above 28 mph an e-bike is no longer Class 3 in most US states. Keep it set to your local limit.

Fat tyre e-bikes in one line

Four-inch tyres that float over sand, snow and gravel. Heavier and slower to pedal on the road.

Real range vs advertised · Torque vs cadence sensors

Questions about the Jasion Thunder

Is the Jasion Thunder a good e-bike?

Fastest stopping fat-tyre bike. 1800W peak, 85Nm. 48V 18Ah (864Wh) removable battery. The catch: The listing claims 30+ mph; above 28 mph an e-bike is no longer Class 3 in most US states. Keep it set to your local limit.

How far does the Jasion Thunder really go?

The listing claims up to 80 miles. With a 864Wh battery, expect about 30 to 45 miles in real riding (roughly 20 to 30 watt-hours per mile with a mix of pedalling and throttle). Hills, cold weather, heavier riders and throttle-only riding cut it further.

How fast does the Jasion Thunder go?

The listing gives 28 mph. Above 20 mph it rides as a Class 3 e-bike, which some paths do not allow.

Who is the Jasion Thunder for?

Heavier riders and hilly areas: big battery, 400 lb capacity and hydraulic brakes.

What Jasion says about it

Jasion Electric Bike 1800W Peak Power & 80+ Mile RangeCommand the road with a 1800W peak motor delivering 85N·m of instant torque for effortless hill climbing and acceleration. The high-capacity 48V 18Ah battery supports speeds over 30 mph and a remarkable range of up to 80 miles per charge, making this Jasion electric bike for adults your ultimate long-range explorer and powerful daily commuter.
Electric Bikes Smart Features & Remote SecurityStay connected and protected. Monitor your bike’s battery and track rides seamlessly, while the remote security lock provides an added layer of defense. This smart integration offers convenience and peace of mind, making your Jasion electric bike a reliably secure companion for every journey.
Ebikes for Adults 26"x4" Fat Tires & 400 lb Load CapacityConquer any terrain with confidence on massive 26"x4" fat tires that provide superior traction on sand, snow, and city streets. The robust frame and responsive front suspension support up to 400 lbs, making this fat tire electric bike perfect for carrying all your adventure gear or daily essentials with unwavering stability.
E Bikes for adults Electric 7-Speed Control&5 Assist LevelsTailor every ride with precision. 7-speed Shimano drivetrain and 5 levels of pedal assist let you seamlessly shift from a gentle 10 mph cruise to an exhilarating 28 mph thrill. Enjoy complete intuitive control at your fingertips for a truly customized e bike for adults experience on any route.
Electric Bicycles Full Safety Suite & 2-Second BrakingEngineered for confidence with dual hydraulic disc brakes that achieve a controlled stop in just 2 seconds. Integrated headlight, brake light, and turn signals ensure clear communication and 24/7 visibility. Backed by UL certification, this Jasion thunder electric bike sets the standard for safety in adult electric bicycles. *Note：Accessories/Gifts may ship separately.

From the Amazon listing. Speeds, ranges and power are the maker's own figures.