Jasion Thunder Fat Tire Electric Bike
- Class 3
- 801-1,000 Wh
- 61-80 mi claimed
- 351-400 lb max load
SVT Score, Upper
A front-suspension fat-tire e-bike with an 864 Wh removable battery, hydraulic brakes, signals and a rack, heavy at 82.5 lb.
$899
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Usability
5.8 out of 10- Charge: 7 to 8 hours on the stock charger
Better on batteryJasion Thunder Pro fat-tire e-bikeThe Thunder Pro carries a 1,040 Wh battery. $1,099Scores 7.0- Peak: 1,400 W in the manual, 1,800 W on the product page, nominal not published
- Rotors: 180 mm, read in a review on a free sample
- Tires: 26x4 in by the manual, 20x6 in by the page text
- IP: IPX4, below the IPX5 point
- Searched: UL Certipedia Intertek SGS TÜV SÜD CSA CPSC Health Canada
- Record: UL Product iQ, ANSI/CAN/UL 2849 (QGNS, Electrical Systems for E-Bikes), Thunder, Galaxy Mobility Inc, 14231 Inwood Rd, Farmers Branch TX
- Badge: product pages advertise two years
Better on warranty & supportGotrax Tundra fat tire e-bikeThe battery. $1,299Scores 5.0- Pack: two bikes $1,769.00
Strengths
- Rack and fenders come included
- Turn signals and brake light built in
- Removable battery charges indoors
- Low price for the battery size
- Fat puncture-resistant tires for sand and dirt
Drawbacks
- Heavy to lift or carry
- No rear suspension
- Tire size stated two ways by the maker
- Owners report weak climbing off-road
- Ships set above common class speed limits
- Warranty badge promises more than the policy
A capable budget fat-tire bike for dirt roads, but heavy
Specs
- TypeFat Tire
- E-Bike ClassClass 3
- Battery801-1,000 Wh
- MotorHub
- Top Speed29-35 mph
- Claimed Range61-80 mi
- Weight71-85 lb
- Max Rider Load351-400 lb
- BrakesHydraulic disc
- SuspensionFront
- FoldingDoes not fold
- CertificationsUL 2849 listed
- Warranty1 Year
At a glance
- Steel frame
- IPX4 rated
- USB port on battery
- The manuals are signed JASION LTD.
- The JASION trademark is registered to Shenzhen Infino Technology Co., Ltd. of Shenzhen, China.
- Jasion e-bikes are sold in the US through the brand's own online store, jasionbike.com, whose terms name the operator only as JASION.
- The store's support number is listed under Jasion Inc. of Sacramento, California.
- The store sells folding, fat-tire, moped-style and cargo e-bikes alongside an adult electric trike.
- The brand also sells on Amazon through the seller account Jasion Ebike.
- Walmart lists Jasion e-bikes from a marketplace store run by the brand's own company, but none of those listings reaches ten native unflagged reviews; Best Buy, Target, Costco, Dick's, REI, Home Depot and Lowe's sell none (October 2026).
The Jasion Thunder is a fat-tire e-bike with a rear hub motor rated 1,400 W peak in its manual (nominal not published) and 85 Nm of torque, a twist throttle and five assist levels. It has a removable 48 V 18 Ah battery of 864 Wh, hydraulic disc brakes, an 80 mm lockout coil fork and no rear suspension.
The manual lists 26x4 in tires with inner tubes, while the Thunder product page text says 20x6 in. The manual lists 82.5 lb for the bike, 400 lb maximum load, a high-carbon steel frame, IPX4 and a 28 mph (45 km/h) maximum speed.
In the box are a rear rack, fenders, a front light and a charger, and the bike has a brake light, turn signals, a horn, a colour LCD display and the Jasion Ride app. The product page prints 30+ mph in assist level 5 with the speed limit raised in the app.
Alpine Blue and Thunder Gray sell at one price, and Phantom Purple is sold out. A two-bike pack sells for $1,769.00.
Questions answered from our data
Is Jasion good?We list five Jasion products and score five of them. Their overall scores run from 5.7 to 6.1, with a median of 6.0, against a median of 5.6 for all 232 products we score.
How much does an electric bike cost?The 143 electric bikes we list run from $799 to $12,500, with a median of $1,899.
Are electric bikes UL certified?53 of the 143 electric bikes we list carry a UL 2849 listing we could look up by model.
How far can an electric bike go?121 of the 143 electric bikes we list claim 41 miles or more on a charge, each on its maker's own basis.
