Sutyztsis FX20 Fat Tire Electric Dirt Bike
- Wheel Size: 20 inches
- Size: Medium
- Wattage: 1500 watts
- Electric Assist Type: pedal assist
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A fat-tire ebike that impressed most riders on power and build quality, though expect real-world top speed to land a few mph under the spec sheet.
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ASIN: B0GTVKXKC4Model: FX20Category: Electric Bicycles
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Overview
This is a fat tire electric bike sold in 1000W, 1500W, and 3000W power tiers with a 48V battery, front and rear suspension, dual disc brakes, 3 riding modes, and 7-speed gearing for street and off-road riding.
The bike ships about 90 percent pre-assembled with a video guide, and most riders got it running without major issues.
- 1000W to 3000W motor tiers
- 48V battery, up to 35Ah
- 20 x 4 inch puncture-resistant tires
- Front and rear suspension with dual disc brakes
Who it's for
Suits riders wanting a fat-tire ebike with suspension and disc brakes for mixed city and off-road terrain. Not the right choice if hitting the full advertised top speed is a hard requirement.
Pros and cons
- Handles hills and off-road terrain well
- Arrives about 90 percent pre-assembled
- Front and rear suspension with disc brakes
- Real-world top speed runs a few mph short of the claim
- One unit arrived dead on arrival
- One buyer's bike was missing a front wheel screw
Performance notes
The brushless motor works with front and rear suspension and dual mechanical disc brakes to handle bumpy roads, sand, and trails, while the LCD display shows speed, battery, PAS level, and mileage in real time. The 7-speed gearing across 3 riding modes lets riders shift for flat stretches or steeper climbs.
Specifications
| Brand | Sutyztsis |
|---|---|
| Model | FX20 |
| Dimensions & fit | |
| Wheel Size | 20 inches |
| Size | Medium |
| Capacity & performance | |
| Number Of Speeds | 7 |
| Bicycle Drivetrain Type | Hub Drive |
| Age Range Description | Adult |
| Power & efficiency | |
| Wattage | 1500 wattshigher than 68% of 197 electric bicycles |
| Power Source | Electric Motor |
| Construction & materials | |
| Frame Material Type | Stainless Steel |
| Wheel Material | Rubber |
| Color | Black |
| Included components | |
| Unit Count | 1 |
| Included Components | Battery |
| Warranty & support | |
| Warranty Description | 1 year |
| Warranty Type | Limited |
| 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 | Mixed Terrain |
| Style Name | 1500w-48v-20ah |
| Theme | Motorcycle |
| Additional Features | Dual Suspension |
Closest rivals on specs
Frequently asked questions
Does the FX20 actually hit its advertised top speed?
Riders measured it around 32 to 34mph rather than the listed 37mph.
How much assembly does the FX20 require?
It ships about 90 percent pre-assembled with a step-by-step video guide.