Heybike Saturn Fat Tire Electric Bike 1800W
- Maximum Weight Recommendation: 330 pounds
- Wheel Size: 20 inches
- Brake Style: Disc
- Suspension Type: Dual
Last refreshed Jun 21, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0GKF9VBQ2Category: Electric Bicycles
Colors Available
Need a different one? Pick on Amazon →
Overview
A moped-inspired bench seat and integrated lighting set the Heybike Saturn apart visually, but underneath sits an 1800W peak motor, 95 Nm of torque, and a removable battery pack scaling up to 1913.6Wh for a claimed 90 miles of range.
Two battery configurations are available, 956.8Wh or the larger 1913.6Wh twin-battery setup, so the advertised 90-mile range only applies to the bigger pack. The app-based Class 2 and Class 3 toggle is a genuinely useful feature since most ebikes lock riders to a single legal speed class instead of letting them choose.
- 1800W peak motor, 95 Nm torque
- Removable battery up to 1913.6Wh, up to 90 miles
- 330 lb payload with dual saddle and rear rack
- 140mm front / 55mm rear suspension travel
Who it's for
Works for riders who want a two-passenger capable ebike for lake trips, camping or errands, and who like the moped look over a conventional mountain-bike frame. Less suited to anyone prioritizing a lightweight, minimalist commuter.
Pros and cons
- Heavier moped-style frame versus a standard ebike
- Reaching the 1913.6Wh figure requires the twin-battery setup
- Fat-tire, dual-suspension build isn't built for speed on pavement
Performance notes
The 140mm front and 55mm rear suspension travel is what actually smooths out rough terrain, working alongside the 20x4.0 fat tires rather than the tires doing that job alone. Hydraulic disc brakes with motor cutoff mean power drops the moment the brakes are applied, which matters for control at speed.
Specifications
| Brand | Heybike |
|---|---|
| Dimensions & fit | |
| Maximum Weight Recommendation | 330 pounds |
| Wheel Size | 20 inches |
| Wheel Width | 4 inches |
| Capacity & performance | |
| Number Of Speeds | 1 |
| Age Range Description | Adult |
| Construction & materials | |
| Frame Material Type | High Carbon Steel |
| Included components | |
| Included Components | Electric Bike, Tool Kit, User Manual |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Brake Style | Disc |
| Suspension Type | Dual |
| Bike Type | Electric Bike |
| Is Assembly Required | Yes |
| Specific Uses For Product | Dirt Biking, Gravel, Road, Snow, Trail |
| Style Name | Standard |
Closest rivals on specs
Frequently asked questions
Does the Heybike Saturn support a passenger?
Yes, its dual-saddle design and 330 lb payload rating are built to carry a second rider plus cargo.
How much range does it get?
Up to 90 miles under pedal assist with the larger 1913.6Wh two-battery configuration, per the listing.
Can I switch between Class 2 and Class 3 speed modes?
Yes, through the Heybike Smart App, which also allows a custom assist profile.