The HappyRun Tank G50 is a fat tire electric bike with a 1500W peak brushless hub motor and 48V 18Ah removable battery providing up to 68 miles of range. Features 20x4" puncture-resistant fat tires, front fork and seat suspension, and dual mechanical disc brakes. Designed for both trail riding and commuting with 90% pre-assembly.
In brief: Fat Tire. 48V 18Ah battery. Unclassified / Off-Road. Up to 45 km/h.
Specs verified Jul 9, 2026
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Specifications
Classification
- E-Bike Class
- Unclassified / Off-Road
- Bike Type
- Fat Tire
Motor
- Motor Position
- Rear Hub
- Peak Wattage
- 1500W
- Top Assist Speed
- 45 km/h
Battery
- Voltage
- 48.0V
- Capacity
- 18Ah
- Energy
- 864Wh
- Chemistry
- Li-ion
- Estimated Range
- Up to 109 km
- Charge Time
- 5.5 hrs
- Removable
- Yes
Frame & Build
- Frame Style
- High Step
- Wheel Size
- 20" x 4" (Fat)
- Folding
- No
Drivetrain & Brakes
- Throttle
- Yes
- Brakes
- Mechanical Disc
Features
- Suspension
- Front Only (Hardtail)
- Integrated Lights
- No
Physical
- Weight
- 45.81 kg
