MACFOX X1S Fat Tire Electric Bike 750W
- 750W motor, 20 mph top speed
- 28 to 56 mile range, by assist level
- 20 inch fat tires, 4 inches wide
- 3 speeds, twist grip, rear derailleur
- Spring front fork, dual hydraulic brakes
- Throttle assist, hub drive
- UL 2849 certified, Class 2
- One year warranty on key parts
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A throttle assist fat tire e-bike for school and city commuting, with certification and hydraulic brakes. Battery size is not listed, and the youth age label conflicts with the adult title.
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ASIN: B0FCMTB86XModel: X1SCategory: Electric Bicycles
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Overview
Riding to school, around town or on light trails is what this hub drive fat tire e-bike is set up for. A spring fork, hydraulic brakes and throttle assist round out the setup.
Certified construction, hydraulic brakes and a stated range by assist level are its strengths. The gaps are battery capacity, a rider weight limit and the age label, which reads youth while the title says adults.
Who it's for
School and city commuters who want throttle assist and a stated range band fit the profile. Buyers who need battery capacity or load limits in writing should look elsewhere.
Pros and cons
- Dual hydraulic brakes
- Spring front fork
- Range stated by assist level
- Wide fat tires
- Battery capacity not listed
- Age label conflicts with title
- Returns need the original box
Performance notes
Throttle assist moves the bike without pedaling, and range falls as assist level and throttle use rise, which is why the listing quotes a band. The hub drive does the work, with a few gears adding pedal range. A spring fork and fat tires soften pavement, and hydraulic brakes provide stopping power.
Where it stands among electric bicycles
- #4 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 | Macfox |
|---|---|
| Model | X1S |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Wattage | 750 watts |
| Number Of Speeds | 3 |
| Bicycle Drivetrain Type | Hub drive |
| Bicycle Gear Shifter Type | Twist Grip |
| Maximum speed | 20 mph |
| Age Range Description | Youth |
| Range | 28 to 56 miles (PAS1) |
| Construction & materials | |
| Frame Material Type | High Carbon Steel |
| Included components | |
| Included Components | Ebike |
| Other details | |
| Electric Assist Type | Throttle assist |
| Brake Style | Dual Hydraulic Brakes |
| Suspension Type | Spring Front Fork |
| Bike Type | Electric Bike |
| Derailleur Configuration | Rear |
| Model Year | 2026 |
| Intended Riding Terrain | Trail, Urban Terrain |
| Certification | UL 2849, Class-2 |
Closest rivals on specs
Frequently asked questions
Can the MACFOX X1S be used off pavement?
The terrain field lists trail and urban. It has a spring front fork and fat tires but no rear suspension, so keep to light trails.
Is the MACFOX X1S for adults or youths?
The title says adults, while the age range field says Youth. Confirm with the seller.
What does PAS1 mean in the MACFOX X1S range?
The listing quotes the range with PAS1 but does not define it. Range varies with assist level.