Jasion Thunder Pro Full-Suspension Fat Tire Electric Bike
- Class 3
- 1,001-1,500 Wh
- Over 80 mi claimed
- Over 400 lb max load
SVT Score, Upper
A full-suspension fat-tire e-bike with a 1,040 Wh removable battery, 180 mm hydraulic brakes and app tuning, very heavy to lift.
$1,099
We may earn a commission if you buy through this link. It never affects our scores. How this works
Usability
6.3 out of 10- Conflict: 115 Nm on the spec bar
- Nominal: 1,200 W sustained, 2,000 W peak, not scored
- Measured: 98 lb with accessories in one test
- Load: support told one tester 270 lb combined rider and cargo as sold
Better on weightGotrax Tundra fat tire e-bike$1,299Scores 5.0- 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 PRO / Thunder Pro; twin Thunder Pro ST also named (Thunder Pro ST, Thunder PRO ST), 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- Option: Stealth Black or Arctic Blue $1,199.00
- Option: Thunder Pro ST step-through $1,099.00 to $1,249.00
- Pack: two bikes from $2,149.00
Strengths
- Fast on hills in testing
- Full suspension for rough pavement
- Large removable battery
- Rack and fenders included
- App tunes assist and throttle limits
- Brake light and turn signals
Drawbacks
- Very heavy to lift
- Weight stated two ways by the maker
- Rated load overstated per maker support
- Long stopping distance in one test
- Warranty badge promises more than the policy
A fast full-suspension fat-tire bike for big batteries, but very heavy
Specs
- TypeFat Tire
- E-Bike ClassClass 3
- Battery1,001-1,500 Wh
- MotorHub
- Top Speed29-35 mph
- Claimed RangeOver 80 mi
- WeightOver 85 lb
- Max Rider LoadOver 400 lb
- BrakesHydraulic disc
- SuspensionFull
- FoldingDoes not fold
- CertificationsUL 2849 listed
- Warranty1 Year
At a glance
- Lockout front fork
- 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 Pro is a full-suspension fat-tire e-bike with a rear hub motor rated 1,200 W sustained (2,000 W peak), a twist throttle and five assist levels; the product page text gives 110 Nm of torque and its spec bar 115 Nm.
It has a removable 52 V 20 Ah battery of 1,040 Wh, hydraulic disc brakes with 180 mm rotors, an 80 mm lockout coil fork, a rear soft-tail shock and 26x4 in puncture-resistant tires with inner tubes.
The store's comparison table lists 96.6 lb, while the manual lists 82.5 lb; the manual also gives 500 lb maximum load, a high-carbon steel frame, IPX4 and 35 mph (56 km/h) maximum speed. The display's factory speed limit is 45 km/h (28 mph) and the Jasion Ride app raises it.
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 and a colour LCD display. The row is the Tactical Camo listing at $1,099.00; Stealth Black and Arctic Blue sell for $1,199.00.
The Thunder Pro ST step-through twin shares the specs and sells for $1,099.00 in Tactical Camo and $1,249.00 in other colours. A two-bike pack starts at $2,149.00, and a Thunder Pro plus Thunder Pro ST pair starts at $2,298.00.
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.
