Qlife Spark Fat Tire Electric Dirt Bike 1800W
- Wheel Size: 20 inches
- Size: Standard
- Electric Assist Type: pedal assist
- Brake Style: Disc
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A fast, capable-looking e-bike that most buyers rate highly for speed and build quality, but assembly and early battery or brake issues showed up for at least one buyer, so budget time to set it up carefully.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0G9236JMZCategory: Electric Bicycles
Colors Available
Styles Available
Need a different one? Pick on Amazon →
Overview
Qlife's Spark is a moped-style electric bike with an 1800W peak motor, 20 inch fat tires, and dual suspension, aimed at riders who want off-road capability at speeds above 20 MPH. It ships roughly 90 percent assembled and pairs a detachable battery with a center-mounted color display.
- 1800W peak motor with 4 riding modes and 7-speed transmission
- 20 inch by 4 inch fat tires with dual suspension
- Detachable 48V 15.6Ah battery, listed as UL 2849 certified
- Center-mounted color LCD display for speed, battery, and assist level
Who it's for
Fits riders who want an off-road capable, motorcycle-styled e-bike for trails, beaches, or mixed terrain and don't mind doing some of their own assembly and maintenance. Less suited to buyers who want a plug-and-play commuter bike or who aren't comfortable troubleshooting brakes or battery issues themselves.
Pros and cons
- Assembly instructions rated poorly by at least one buyer
- One buyer's battery stopped charging after about a week
- Mechanical brakes described as spongy and needing adjustment by one buyer
Where it stands among electric bicycles
- #1 most-searched brand and model of the 89 electric bicycles lines we track (by search demand, not sales).
From the specs of the 502 electric bicycles we list; not a test result.
Specifications
| Brand | Qlife |
|---|---|
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Size | Standard |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Number Of Speeds | 7 |
| Bicycle Drivetrain Type | Chain Drive |
| Age Range Description | Adult |
| Power & efficiency | |
| Power Source | Electric Motor |
| Construction & materials | |
| Frame Material Type | Carbon Steel |
| Color | Black |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Electric Assist Type | pedal assist |
| Brake Style | Disc |
| Suspension Type | Dual |
| Bike Type | Electric Bike |
| Is Assembly Required | Yes |
| Specific Uses For Product | Trail |
| Theme | Motorcycle |
| Intended Riding Terrain | Mountain Terrain, Unpaved Trails |
Closest rivals on specs
Frequently asked questions
How fast does the Qlife Spark actually go?
The listing states 20+ MPH, but several buyers report reaching the low-to-mid 30s MPH unlocked.
Does it come fully assembled?
It arrives about 90 percent pre-assembled, with most buyers needing only to attach the front wheel and handlebars.