Product comparison · Electric Bikes
Jasion Thunder fat‑tire e‑bike vs Hiboy EX6
The Jasion Thunder fat-tire e-bike scores 5.9 and ranks 46th of 133 in Electric Bikes; the Hiboy EX6 scores 5.1 and ranks 95th of 133 in Electric Bikes. The Thunder fat-tire e-bike leads on ride hardware, the EX6 on weight.
All 5 Jasion products 
Jasion Thunder fat‑tire e‑bike
$899 · 46th of 133 in Electric Bikes
Buy Now- Ride Hardware — 7 against 4
Across everything we scored, Jasion Thunder fat-tire e-bike sits 0.82 ahead — led by ride hardware.
Verdict
Thunder fat-tire e-bike ahead · +0.82 (5.9 vs 5.1)Pick the Jasion Thunder fat-tire e-bike when
Features matters8vs4
Ride hardware matters7vs4
Motor matters6vs5
Pick the Hiboy EX6 when
Weight matters8vs4
Scored 20 October 2026 from published specs and owner reviews. We don't buy or test units. How we score
Most common complaints
Jasion Thunder fat‑tire e‑bike
Overall score 5.9- heavy
- noisy on pavement
- squishy brakes
Hiboy EX6
Overall score 5.1- weak stopping at speed on earlier units
- motor lag
- ghost pedaling
From each product's own owner reviews and retailer ratings.
Usability Jasion Thunder fat-tire e-bike and Hiboy EX6, scored 0 to 10
Ride HardwareJasion Thunder fat-tire e-bike: 7 (higher)Hiboy EX6: 4
Jasion Thunder fat‑tire e‑bike
- hydraulic discs, 180 mm rotors, coil fork, puncture-resistant tires
- Rotors: 180 mm, read in a review on a free sample
- Tires: 26x4 in by the manual, 20x6 in by the page text
Hiboy EX6
- hydraulic discs and front fork; cadence sensor, standard tires
WeightJasion Thunder fat-tire e-bike: 4Hiboy EX6: 8 (higher)
Jasion Thunder fat‑tire e‑bike
- 82.5 lb with the battery (manual)
Hiboy EX6
- 66 lb with the battery
- Load: 265 lb in the manual, 300 lb in the store spec list
FeaturesJasion Thunder fat-tire e-bike: 8 (higher)Hiboy EX6: 4
Jasion Thunder fat‑tire e‑bike
- removable battery, lights, signals, colour display, throttle, rack and fenders
- IP: IPX4, below the IPX5 point
Hiboy EX6
- removable battery, throttle, rack and fenders
- IP: IPX4, below the IPX5 point
BatteryJasion Thunder fat-tire e-bike: 5 (higher)Hiboy EX6: 4
Jasion Thunder fat‑tire e‑bike
- 864 Wh (48 V, 18 Ah) on the fat tire ladder
- Charge: 7 to 8 hours on the stock charger
Hiboy EX6
- 696 Wh (48 V, 14.5 Ah) on the fat-tire ladder
MotorJasion Thunder fat-tire e-bike: 6 (higher)Hiboy EX6: 5
Jasion Thunder fat‑tire e‑bike
- 85 Nm rear hub
- Peak: 1,400 W in the manual, 1,800 W on the product page, nominal not published
Hiboy EX6
- 500 W rear hub, torque not published (band)
- Peak: 960 W claimed, not scored
Same score
VerificationJasion Thunder fat-tire e-bike: 6Hiboy EX6: 6
Jasion Thunder fat‑tire e‑bike
- UL Product iQ QGNS.E548372 (Galaxy Mobility, Jasion's US entity) names Thunder
- 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
Hiboy EX6
- UL certificate UL-US-2349757-2 names EX6; listed under Freeman IT QGNS.E535406
- Searched: UL Solutions certificate (brand-hosted) UL Certipedia Intertek SGS TÜV SÜD CPSC Health Canada
- Record: UL Solutions certificate (brand-hosted), ANSI/CAN/UL 2849:2022A, EX10, EX11, EX12, EX6, EX6F, EX9, Freeman IT Limited
- Record: UL Product iQ, ANSI/CAN/UL 2849:2022A, EX6, Shenzhen Freeman IT Limited
Warranty & SupportJasion Thunder fat-tire e-bike: 3Hiboy EX6: 3
Jasion Thunder fat‑tire e‑bike
- one year on battery and motor
- Badge: product pages advertise two years
Hiboy EX6
- one year on battery and motor
Not scored for either
- ValueJasion Thunder fat-tire e-bike: not scoredHiboy EX6: not scored
Social score about the Jasion Thunder fat-tire e-bike and the Hiboy EX6
RedditJasion Thunder fat-tire e-bike: 5Hiboy EX6: 5
Jasion Thunder fat‑tire e‑bike
Liked
- dirt-road riding
- reaches 28 mph
Complaints
- heavy
- noisy on pavement
- weak on steep climbs
Read the full summary
- r/ebikes: an owner with about 90 miles on dirt roads loves it but finds it heavy and noisy on pavement (Apr 2026)
- r/ebikes: an owner at 250 miles reaches 28 mph on flat ground but says the motor struggled on steep and off-road climbs (Nov 2025)
Hiboy EX6
Liked
- good after a month of riding
Complaints
- weak stopping at speed on earlier units
Read the full summary
- r/ebikes: one EX6 owner says the bike has been good after a month of riding but stops short of recommending it (Mar 2025)
- another owner says an earlier EX6 struggled to stop its heavy wheels at speed and that hydraulic brakes are needed (Aug 2025)
GoogleJasion Thunder fat-tire e-bike: 6Hiboy EX6: 6
Jasion Thunder fat‑tire e‑bike
Liked
- sturdy
- battery life
- top speed
Complaints
- heavy
- squishy brakes
Read the full summary
- Product.
- The Gadgeteer (sample provided free by Jasion) found it sturdy with long battery life and high top speed; it called the bike heavy and the brakes squishy (Oct 2025)
Hiboy EX6
Liked
- step-thru frame
- fat-tire comfort
- easy controls
Complaints
- motor lag
- ghost pedaling
- surging assist
Read the full summary
- Product.
- Momentum (unit source not stated) called the EX6 a solid entry-level e-bike, praising the step-thru frame, fat tires and comfort but faulting motor lag, ghost pedaling and surging in assist (Nov 2024)
YouTubeJasion Thunder fat-tire e-bike: 6Hiboy EX6: 6
The Jasion Thunder fat-tire e-bike reading covers the whole brand; the Hiboy EX6 reading covers the whole brand.
Jasion Thunder fat‑tire e‑bike
Read the full summary
- Brand-level.
- Creators with discount codes, affiliate links or bikes sent by Jasion (Chris Crossed, Our Everyday Getaway, Fun with Jim) review the range favourably for speed and value (Jul 2025 to Apr 2026)
Hiboy EX6
Read the full summary
- Brand-level.
- Hiboy e-bike videos come mostly from creators with Hiboy-supplied bikes or discount codes (DONSLIFE, MastaBika, Evan Lindy, Soldier Knows Best; 2025 to 2026), who praise comfort and speed for the price
AmazonJasion Thunder fat-tire e-bike: 7 (higher)Hiboy EX6: 4
The Hiboy EX6 reading covers the whole brand.
Jasion Thunder fat‑tire e‑bike
Read the full summary
- Product.
- Amazon B0H4M4SK1B, sold by Jasion Ebike: 4.8 of 5 from 66 ratings, 85% five-star and 1% one-star (Oct 2026)|Amazon B0FG6QV5GK, sold by Jasion Ebike and titled for the Thunder family: 4.2 from 151 ratings, 8% one-star (Oct 2026)
Hiboy EX6
Read the full summary
- Brand-level.
- Hiboy Direct sells e-bikes on Amazon US; its EX6F listing averages 4.0 from 14 ratings with 24% one-star (Oct 2026); the EX6 and EX9 listings are sold by Amazon.com
Unless a row says otherwise, both readings are about these exact models.
Jasion Thunder fat-tire e-bike vs Hiboy EX6: pros and cons
Jasion Thunder fat‑tire e‑bike
Overall score 5.9Strengths
- 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
Hiboy EX6
Overall score 5.1Strengths
- Fat tires soften rough pavement
- Battery lifts out to charge indoors
- Rear rack and fenders included
- Light for a fat-tire bike
- Step-through frame is easy to mount
Drawbacks
- Cadence sensor can lag on starts
- Only one year on battery and motor
- Load rating stated two ways
- Only a headlight is listed
Jasion Thunder fat‑tire e‑bike vs Hiboy EX6: the numbers
Price, scores and rank, then only the specs that differ. Green marks the side with more.
- BatteryJasion More801-1,000 WhHiboy601-800 Wh
- Top speed (claimed)Jasion29-35 mphHiboy21-28 mph
- WeightJasion71-85 lbHiboy56-70 lb
- Max rider loadJasion More351-400 lbHiboy251-300 lb
Same on both
- Fat TireType
- Class 3E-bike class
- HubMotor
- 61-80 miRange (claimed)
- Hydraulic discBrakes
- FrontSuspension
- Does not foldFolding
- UL 2849 listedSafety listings
- 1 YearWarranty
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Not sold on either one?
The top-scored and the cheapest other pick from each brand.
More from Jasion 4 scored in Electric Bikes
- Battery: 601-800 Wh, not 801-1,000 Wh
- Suspension: Full vs front
More from Hiboy 4 scored in Electric Bikes
- Battery: 801-1,000 Wh, not 601-800 Wh
- Suspension: Full vs front
- Nothing we record differs.
Jasion Thunder fat‑tire e‑bike vs Hiboy EX6: common questions
Is the Jasion Thunder fat-tire e-bike better than the Hiboy EX6?
On our scores, the Jasion Thunder fat-tire e-bike is ahead, 5.9 against 5.1. The Jasion Thunder fat-tire e-bike leads on ride hardware (7 against 4), features (8 against 4), battery (5 against 4) and motor (6 against 5). The Hiboy EX6 leads on weight (8 against 4).
Which has the bigger battery, the Jasion Thunder fat-tire e-bike or the Hiboy EX6?
The Jasion Thunder fat-tire e-bike: rated 801-1,000 Wh, against 601-800 Wh for the Hiboy EX6.
Which carries a heavier rider, the Jasion Thunder fat-tire e-bike or the Hiboy EX6?
The Jasion Thunder fat-tire e-bike: rated 351-400 lb, against 251-300 lb for the Hiboy EX6.
What do owners say about the Jasion Thunder fat-tire e-bike and the Hiboy EX6?
Across 4 independent sources scored for both, the Jasion Thunder fat-tire e-bike is ahead on Amazon; Reddit, Google and YouTube are level.
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Scores calculated 20 October 2026 · Products excluded where fewer than two independent sources cover them · · How we score