E-bikeOn sale
Thunder Pro ST
An e-bike with a 500 lb total load. Note: 1200W rated motor, over the 750W e-bike limit.
- Motor
- 1200W (1,800 peak) · 115 Nm
- Battery
- 1,040 Wh
- Range, claimed
- Up To 90 Miles
- Top speed
- 35 mph
- Weight
- 96.6 lb
- List price
- $1,099
✓ Specs checked Sep 29, 2026against jasionbike.com · sources for each spec · 2 conflicting figures
Set your height and weight. We compare them with the limits Jasion publishes.
Height
5′6″
168 cm
Weight
180 lb
82 kg
Rider height
5′5″ min7′2″ max
Weight and load
Rider limit not publishedTotal 500 lb
Step-over
Bike: 96.6 lb
Specifications
Fit
- Step-over height
- Not published by brandjasionbike.com ↗ · checked Sep 29, 2026
- Rider height
- 5′5″–7′2″165–218 cmjasionbike.com ↗ · checked Sep 29, 2026
- Seat height
- Minimum Seat Height from Floor 35''; Maximum Seat Height from Floor 39''jasionbike.com ↗ · checked Sep 29, 2026
- Rider limit
- Not published by brandjasionbike.com ↗ · checked Sep 29, 2026
- Total load
- 500 lb227 kg · rider plus cargojasionbike.com ↗ · checked Sep 29, 2026
- Seats
- —
Motor
- Rated power
- 1200WBrand publishes conflicting figures: 1800W · 1200W ("1200W of sustained power, peaking at 2000W") · 2000W. We use the figure least favourable to you.jasionbike.com ↗ · checked Sep 29, 2026
- Peak power
- 1,800WBrand publishes conflicting figures: 2000W · 1800W. We use the figure least favourable to you.jasionbike.com ↗ · checked Sep 29, 2026
- Torque
- 115 Nmjasionbike.com ↗ · checked Sep 29, 2026
Battery
- Capacity
- 1,040 Whstated by brandjasionbike.com ↗ · checked Sep 29, 2026
- Voltage and amp-hours
- 52V · 20Ahjasionbike.com ↗ · checked Sep 29, 2026
- Battery weight
- Not published by brandjasionbike.com ↗ · checked Sep 29, 2026
Range and speed
- Claimed range
- Up To 90 Miles145 kmjasionbike.com ↗ · checked Sep 29, 2026
- Top speed
- 35 mph56 km/hjasionbike.com ↗ · checked Sep 29, 2026
- E-bike class
- Outside Class 1–31200W rated motor, over the 750W e-bike limitjasionbike.com ↗ · checked Sep 29, 2026
Size and folding
- Folds
- Nojasionbike.com ↗ · checked Sep 29, 2026
- Folded size
- Doesn't foldjasionbike.com ↗ · checked Sep 29, 2026
- Weight
- 96.6 lb44 kgjasionbike.com ↗ · checked Sep 29, 2026
- Wheels
- 26''jasionbike.com ↗ · checked Sep 29, 2026
Brakes and drivetrain
- Brakes
- Dual Hydraulic Brakes; "front and rear 180mm hydraulic disc brakes"jasionbike.com ↗ · checked Sep 29, 2026
- Parking brake
- —
- Gears
- Shimano 7 Speedjasionbike.com ↗ · checked Sep 29, 2026
- Rear differential
- —
- Reverse
- —
Comfort and safety
- Suspension
- Full Suspension; "Hydraulic suspension fork with lockout"jasionbike.com ↗ · checked Sep 29, 2026
- Certifications
- UL 2849jasionbike.com ↗ · checked Sep 29, 2026
Legal in your state
Can I ride it where I live?
Check before buying: this model has a 1200W rated motor, over the 750W e-bike limit. Most states only treat Class 1–3 e-bikes as bicycles.
⚠ Check before buying
1200W motor is over the 750W limit; 35 mph is over the 28 mph limit.
- License, registration
- No driver's license, registration, license plate or insurance is needed for a legal e-bike or e-trike, and it is not a motor vehicle.
- Helmet
- Riders and passengers under 18 must wear a bicycle helmet on any bike, including an e-bike.
- Minimum age
- Riders must be 16 or older to operate a Class 3. State law sets no minimum age for Class 1 or 2, but pilot laws let San Diego County and Marin County set local limits, listed under local rules below.
- Where you can ride
- E-bike riders have the same road rights and duties as bicyclists, including use of bike lanes.
Last verified Sep 2026 · Read the statute ↗ · Full California guide · Not legal advice.
⚠ Check before buying
35 mph is over the 28 mph limit.
- License, registration
- Riders 17+ need a valid driver's license of any class or a moped (e-bike) license/permit; riders 15-16 need a moped (e-bike) license or permit; bike-share renters 16+ are exempt.
- Helmet
- Motorized bicycle riders of every age must wear an approved helmet.
- Minimum age
- No one under 15 may ride a low-speed e-bike or motorized bicycle.
- Where you can ride
- Motorized bicycles may not use interstates, median-divided highways, roads posted over 50 mph, or the GSP/Turnpike/AC Expressway.
Last verified Sep 2026 · Read the statute ↗ · Full New Jersey guide · Not legal advice.
⚠ Check before buying
1200W motor is over the under-750W limit; 35 mph is over the 28 mph limit.
- License, registration
- No driver license needed for any e-bike class.
- Helmet
- Riders and passengers under 16 must wear a bicycle helmet; no state helmet rule for 16+.
- Minimum age
- No statewide minimum age, but since July 1, 2025 cities/counties may set minimum ages and require riders to carry government photo ID.
- Where you can ride
- You may ride anywhere a regular bicycle is allowed, including streets, shoulders, bike lanes and multi-use paths.
Last verified Sep 2026 · Read the statute ↗ · Full Florida guide · Not legal advice.
⚠ Check before buying
1200W motor is over the 750W limit; 35 mph is over the 25 mph limit.
- License, registration
- No driver's license, registration or insurance is needed for a legal Class 1-3 e-bike.
- Helmet
- All Class 3 riders must wear a helmet; for Class 1 and 2 no state helmet rule applies to adults (localities may require helmets).
- Minimum age
- Riders must be at least 16.
- Where you can ride
- E-bikes may be ridden on roads with a posted speed limit of 30 mph or less, and in bike lanes; Class 3 only in New York City.
Last verified Sep 2026 · Read the statute ↗ · Full New York guide · Not legal advice.
Compare with
Pedego Trail Tracker
| This e-bike | Trail Tracker | |
|---|---|---|
| Step-over | Not published | Not published |
| Total load | 500 lb | Not published |
| Weight | 96.6 lb | 67 lb |
| Top speed | 35 mph | 28 mph |
Compare with
Mokwheel Onyx Step-Over
| This e-bike | Onyx Step-Over | |
|---|---|---|
| Step-over | Not published | 31″ |
| Total load | 500 lb | 560 lb |
| Weight | 96.6 lb | 89 lb |
| Top speed | 35 mph | 28 mph |
