Jasion Thunder Fat Tire Electric Bike 1800W
- 1800W peak motor with pedal assist
- 864Wh removable battery, 80 miles listed range
- 30+ MPH listed top speed
- 26 x 4 inch fat tires, front suspension
- Hydraulic disc brakes
- 400 lb maximum rider weight
- No assembly required, per the listing
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A fat tire e-bike built around a large removable battery and hydraulic brakes. Gear count and rider height range are not published, so confirm fit before ordering.
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ASIN: B0FXGG4LGJCategory: Electric Bicycles
More from this brandAll Jasion electric bicyclesOverview
A removable battery pack feeds a pedal assist motor, and a trigger shifter works the derailleur drivetrain. The aluminum frame carries a front suspension fork, fat tires and hydraulic disc brakes.
This one is about power and range in a single bike: a large battery, a strong peak motor rating and brakes sized for the speeds it advertises. The limit is missing detail, because the listing gives no gear count, no motor type and no rider height range.
Who it's for
Riders working through dirt, snow, trail and road who want pedal assist and a battery they can remove. Shorter or lighter riders should confirm sizing first, since only a medium frame is named. A throttle is not mentioned, so look elsewhere if you want one.
Pros and cons
- Removable battery pack
- Hydraulic disc brakes
- Front suspension fork
- Fat tires for loose ground
- Gear count not listed
- No throttle mentioned
- Bike weight unstated
Performance notes
Pedal assist means the motor responds to pedaling, so real range depends on the terrain, the rider weight and how hard you pedal. Wide tires spread load over loose ground, and the front fork absorbs some of the chatter. Hydraulic discs move fluid rather than cable, which helps lever feel on repeated stops.
Specifications
| Brand | Jasion |
|---|---|
| Dimensions & fit | |
| Maximum Weight Recommendation | 400 pounds |
| Wheel Size | 26 inches |
| Size | Medium |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Wattage | 1800 watts peak |
| Bicycle Drivetrain Type | Derailleur |
| Bicycle Gear Shifter Type | Trigger |
| Maximum speed | 30+ mph |
| Range | 80 miles |
| Power & efficiency | |
| Lithium Battery Energy Content | 864 watt hourshigher than 55% of 210 electric bicycles |
| Construction & materials | |
| Frame Material Type | Aluminum |
| Wheel Material | Aluminum |
| Fender Material | Plastic |
| Warranty & support | |
| Warranty Type | Limited |
| Other details | |
| Electric Assist Type | Pedal assist |
| Brake Style | Disc, hydraulic |
| Suspension Type | Front |
| Is Assembly Required | No |
Closest rivals on specs
Frequently asked questions
What frame size is the Jasion Thunder?
The listing gives the frame size as Medium with 26 inch wheels. It does not publish a rider height range or standover height, so ask the seller if you are at the short or tall end.
Does the Jasion Thunder have a throttle?
The listing names pedal assist as the assist type and does not mention a throttle.
Can the Thunder battery be removed from the bike?
Yes. The listing describes the 864Wh battery as removable.
Does the Jasion Thunder arrive assembled?
The listing states that assembly is not required.