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A closer look at the Mars 3.0 motor, 624Wh battery, full suspension, hydraulic braking and folding fat-tire utility.
Peak output and torque are manufacturer figures and vary in real use with load, battery state and terrain.
Higher speeds, hills, cold weather, throttle use and heavier loads reduce real-world range.
Tire pressure, brake condition and suspension setup have a major effect on handling and stopping performance.
Check storage and vehicle loading in person if frequent carrying is part of the plan.
Mechanical gearing still matters for cadence and drivetrain load even with torque-sensing assistance.
The Heybike Mars 3.0 is a folding fat-tire e-bike built around a 750W rear hub motor with up to 1400W peak output and 95 N·m of torque. Its 624Wh removable battery is rated for up to 65 miles under manufacturer test conditions, while 20 × 4-inch tires and full suspension make it better suited to mixed surfaces than a lightweight city bike.
A quick-fold frame helps reduce its storage footprint, and hydraulic disc brakes, a Shimano Altus 8-speed drivetrain, torque-sensor pedal assist, NFC startup and a colour TFT display give the Mars 3.0 a more complete everyday package than basic folding e-bikes.
The Mars 3.0 is the comfort-and-traction choice in this part of the Heybike range. The Heybike Venus is substantially lighter and more commuter-focused, while the Heybike Ranger S offers a compact step-through folding design in two motor configurations.
Choose the Mars 3.0 if you want a folding e-bike with fat-tire stability, full suspension and strong cargo capacity. Heybike lists a maximum combined load of 440 lb, but the bike itself weighs about 70 lb, so the folding mechanism is most useful for storage rather than frequent carrying. Claimed range varies substantially with assist level, throttle use, rider weight, hills and weather.
Browse our electric bikes for U.S. riders. Check current USD pricing, product availability, shipping eligibility and specifications before ordering. ProMechin-person repair services are not offered in the United States.
One number would be easier to print and harder to trust. Here is what the manufacturer claims, and what actually changes it.
Pulled straight from the product record — if it changes on the bench, it changes here.
| Motor | 750W sustained / 1400W peak rear hub motor |
|---|---|
| Motor torque | 95 N·m |
| Top assisted speed | 28+ mph |
| Pedal assist levels & throttle | - |
| Drivetrain / gears | Shimano Altus 8-speed |
| Pedal Assist & Throttle | Torque-sensor pedal assist; half-twist throttle |
| Battery capacity | 624Wh removable lithium-ion battery |
|---|---|
| Range (manufacturer claim) | Up to 65 miles (104.6 km) |
| Charging time | 5-7 hrs for full charge |
| Battery removable | Yes |
| Charger | 2A, 54.6V output, 100V-220V AC input |
| Brake system | Hydraulic disc brakes |
|---|---|
| Suspension / fork travel | - |
| Tyres | Puncture protection, 20"x4.0" fat tires |
| Lighting | Front light with horn; taillight with brake and turn signals |
| Front Suspension | Hydraulic suspension fork, 65 mm travel |
| Rear Suspension | Horst Link suspension |
| Water Resistance | IP65 |
| Weight | 71 lb / 70 lbs |
|---|---|
| Max total load | 440 lb (199.6 kg) |
| Frame size & standover | - |
| Dimensions | Unfolded: 66.9 × 25.6 × 52.0 in; folded: 38.2 × 19.7 × 33.1 in |
| Frame material | 6061 aluminum alloy |
|---|---|
| Display | TFT display with NFC start |
| Legal class | - |
|---|---|
| Certification | UL 2849 & UL 2271 |
No specification matches that search.
Specifications are supplied by the manufacturer and can change between production runs. We update this page when we are told they have.
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