Jasion Thunder Pro

Name: Jasion Thunder Pro
Brand: Jasion

Ranked #1 of 10 in Best Fat-Tire & Off-Road E-Bikes: Rad Power, Aventon, Velotric, Jasion & More (2026). Here is every spec we scored, where it came from, and how it compares.

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#1 · Top pick

Jasion Thunder Pro

Best for: 1200 W sustained, 115 Nm, 500 lb

8.7/10

What we like

Top rated motor power in this comparison (1200 W)
Top battery capacity in this comparison (1040 Wh)
Top payload capacity in this comparison (500 lb)
Top motor torque in this comparison (115 Nm)

Watch out for

Water resistance not published by Jasion

Score breakdown

Rated motor power 15%

Battery capacity 20%

Claimed range 15%

Top assisted speed 10%

Payload capacity 15%

Bike weight 10%

Motor torque 10%

Hydraulic disc brakes 3%

Water resistance * 2%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

Rated motor power	1200 W
Battery capacity	1040 Wh
Claimed range	90 mi
Top assisted speed	35 mph
Payload capacity	500 lb
Bike weight	96.6 lb
Motor torque	115 Nm
Hydraulic disc brakes	Yes
Water resistance	Not listed
Motor	1200 W sustained (2000 W peak), 115 Nm
Battery	52 V 20 Ah (1040 Wh, computed)
Top speed	35 mph (above Class 3; see the guide)
Water rating	Not published by the maker
Price	Check price