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Jasion

Jasion Thunder Pro Electric Bike

  • Electric Bicycle
  • 624 Wh
  • Electric motor
  • Twist Grip
1.0/ 5 on Amazon1Amazon rating2.7ProductDome score
Limited evidenceLast refreshed Jun 21, 2026Amazon data + ProductDome analysis · methodology
Best forYou want a high-power, long-range fat tire ebike and are prepared to inspect the bike thoroughly on arrival

Strong spec sheet on paper, including a 1040Wh battery and 2000W peak motor, but the only review reports a bike arriving damaged with no working brakes, so this is not a purchase to make on specs alone.

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More from this brandAll Jasion electric bicycles
ProductDome scorecard

How it ranks among the 478 electric bicycles we track

2.7/ 5ProductDome scoreLimited evidence
Owner satisfaction · 63% of scorecategory median 4.4★4.2

1.0★ across 1 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 19% of scorecategory median 13 ratings0.4

1 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Data quality · 13% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 478 electric bicycles we track - how the scorecard works · full electric bicycles data report. Confidence: limited - limited rating history.Last refreshed Jun 21, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

The Jasion Thunder Pro is a 26 inch fat tire electric bike built around a 2000W peak motor and a 1040Wh (52V 20Ah) removable battery, aimed at adult riders wanting higher power and a rated 500 lb load capacity.

The spec sheet leans toward performance, with a claimed 0-20mph time under 5 seconds and a 35mph top speed, but the only review on file describes a bike that arrived damaged with brakes not working, which is worth weighing heavily against the marketing claims.

  • 2000W peak brushless motor
  • 52V 20Ah (1040Wh) removable battery
  • 24-month protection plan on motor, battery, and controller
  • Ships mostly pre-assembled per the listing

Who it's for

Aimed at larger or taller adult riders, 5.5 to 7.2 feet per the listing, who want high peak power and long PAS range. Given the sole review reporting shipping damage and brake trouble, cautious buyers may want to confirm current fulfillment quality before ordering.

What buyers say

From Amazon customer reviews.

The single review on file is a serious complaint: the bike reportedly arrived damaged and missing multiple parts with brakes not working, and the buyer said customer service offered no real resolution and was slow to respond.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • 1040Wh battery for long PAS range
  • Full suspension and hydraulic disc brakes specified
  • 500 lb rated load capacity
  • Fast charge to 80 percent in 5 hours claimed
What to check first
  • Sole review reports bike arrived damaged, brakes not working
  • Reviewer called customer service unhelpful with the claim

Performance notes

Jasion lists 115 newton-meters of torque from the 2000W peak brushless motor, a 64-signal pedal sensor for smoother assist, 7-speed gearing, and 5 PAS levels. Full suspension and hydraulic oil disc brakes are specified for control on climbs and descents.

Specifications

BrandJasion
Capacity & performance
Bicycle Gear Shifter TypeTwist Grip
Bicycle Drivetrain TypeChain drive
Power & efficiency
Lithium Battery Energy Content624 Wh
Power SourceElectric motor
Construction & materials
Wheel MaterialRubber
ColorDesert Camo
Warranty & support
Warranty TypeFull
Other details
Electric Assist Typepedal assist

How it compares

This product against the closest alternatives we track in electric bicycles.

ProductAmazon ratingRatingsProductDome score
Jasion Thunder Pro Electric BikeThis product1.0 / 512.7 / 5
Wooken Electric Bike for Adults with 500W MotorWooken4.4 / 53124.1 / 5
TotGuard Electric BikeTotGuard4.4 / 52864.1 / 5
ANCHEER 14" Folding Electric Bike for TeensAncheer4.2 / 53294.0 / 5
Gotrax 16" Folding Electric BikeBrand4.4 / 55554.0 / 5
Frequently asked

Questions about the Jasion electric bicycles

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What is the top speed of the Jasion Thunder Pro?

The listing states a top speed up to 35mph from the 2000W peak motor.

How far can the Jasion Thunder Pro travel on a charge?

Jasion lists up to 90 miles in PAS mode and 35 miles on pure electric power from the 1040Wh battery.

What did the one review on the Jasion Thunder Pro report?

The reviewer said the bike arrived damaged and missing parts, with brakes not working, and described customer service as unresponsive to the issue.