The HappyRun G70 is a UL 2849 certified dual-battery electric cargo bike designed for family rides, commuting, shopping, and hauling gear. It features two seats, a dual battery system, a 750W motor, full suspension, hydraulic brakes, and a strong frame with a total payload capacity of 330 lbs.

Built for everyday utility and comfortable riding, the G70 includes a half twist throttle, 5 levels of pedal assist, 7-speed gearing, NFC unlocking, front and rear sequential turn signals, and a removable rear seat that can be replaced with a cargo rack.

Key Features

Technical Specifications

Model Tank G70

Speed & Range

Speed 1 To 5 Speeds Up To 20 MPH
Range Up to 85 Miles
Gearing & Rear Derailleur 7 Speed

Electronics

Battery 48V 13Ah (Top) + 13Ah (Bottom) Lithium Battery
Motor 750W
Charger 2A Charger
Display Large LED Display + NFC Unlocking
Throttle Half Twist Throttle
Front Light 160 Lumens LED Light
Taillight Braking Indicator, Rear Light Steady/Flash
Turn Signal Front and Rear Sequential Turn Signal Lights
Waterproof Grade IP54

Frameset

Suspensions Full Suspensions
Tires Premium 20 x 4-inch Road Tires

Brake

Brakes Front and Rear Hydraulic
Rotors Front and Rear 160mm

Bike Dimension

Bike Weight 98 lbs
Bike Package Size 1450 * 270 * 900 mm/57.1" × 10.6" × 35.4"
Total Payload 330 lbs
Recommended Rider Height 5'1" - 6'5"
Seat Height 32"
Rear Rack Load 50 lbs
Top Speed
20 MPH
Range
Up To 85
miles
lb
MAX LOAD
330 lbs
Battery
48V 26Ah
Brakes
Hydraulic
Rated Power
750W
6'0"

Size & Fit

6'0"Height

Slide the scale for your bike inseam measurement

✓ TANK G70

You will be able to pedal and stand over the frame comfortably.

Rider height silhouette HappyRun Tank G70 size fit guide

Geometry

Tank G70 Ebike is available in 1 sizes to suit most adults.

One Size Fits Most  
A - Total Length 66" (1677 mm)
B - Handlebar Height 44" (1118 mm)
C - Wheelbase 44" (1118 mm)
D - Seat Height 31.5" (800 mm)
E- Wheel Diameter 24" (610mm)
Tires Premium 20*4.0 Tires
Rider Height (Range) 5'1" - 6'5" (1549-1960 mm)
HappyRun Tank G70 geometry guide
FAQs

FAQS

Does the bike come with full assembly?

The bike is 90% assembled when you receive the package. It’s very easy to install and there is also a guidance video link QR code on the screen.

What's in the package?

G70 Ebike, inflator, installation kit, 2 battery keys, 2 NFC cards, charger, fender, screws, wrench.

What is the recommended height?

5'3 - 6'7, the seat height of G70 is 32 inches.

Can I ride it as a commuter bike?

Yes, G70 can overcome all road conditions for commuting, Whether it is urban roads, rural roads, or mountainous areas, it can provide sufficient power and excellent shock absorption function.

What are the hidden functions of the speed button?

1. When the power is off, press and hold for 1 second to turn on.
2. When the power is on, press and hold for 2 seconds to turn off.
3. Press briefly once to switch speed gears, cycling between gears 1-5.
4. While holding the brake lever, press briefly twice to switch between kilometers and miles.
5. Press briefly three times to switch between single trip mileage and total mileage.
6. While holding the brake lever, press briefly five times to switch between zero start and non-zero start. The default is always zero start when powered on.
7. Press briefly nine times to write an NFC card.

How do you switch between kilometers and miles?

Once the ebike is unlocked, while holding the brake lever, press the "S" button twice to switch between kilometers and miles.

How to switch between single trip mileage and total mileage?

Once the ebike is unlocked, press the "S" button three times to toggle between trip mileage and total mileage.

Is the HappyRun Tank G70 UL certified?

Yes, absolutely. The HappyRun Tank G70 is fully UL 2849 certified as a complete e-bike. This means the entire electrical system—including the high-performance 750W motor, 26Ah lithium battery, controller, and charger—has passed rigorous safety testing to ensure maximum fire and electrical protection, fully complying with the latest US federal and local municipal safety regulations.

FEATURES

HappyRun Tank G70

The HappyRun G70 is the ultimate electric cargo bike for families, perfect for taking kids across town or hauling gear. It comes equipped with two seats, dual batteries, a reliable 750W motor, and a strong frame capable of carrying up to 330 lbs with ease. Fully UL 2849 certified for industry-leading battery and electrical safety, it provides ultimate peace of mind. Plus, the passenger seat can easily be replaced with a cargo rack for shopping or travel, making it the perfect blend of utility and safety.

Dual Battery System Ultra Long Range

Dual Battery System Ultra Long Range

The dual battery system provides sufficient power support, allowing you to go hiking, shopping, partying, climbing, etc. without worry.

Powerful Performance

Powerful Performance

Powered by a high-performance 750W motor and built to carry up to 330 lbs, it delivers the strength you need—whether hauling cargo or carrying with the kids.

Full Suspension System

Full Suspension System

With adjustable front and rear suspension, it offers superior comfort and control—so bumps and rough trails are no problem at all.

Hydraulic Disc Brakes

Hydraulic Disc Brakes

Equipped with a dual-piston hydraulic brake system for fast, responsive stopping power—ride safe and stop with confidence.

NFC Unlock System

NFC Unlock System

By adopting NFC smart unlocking technology, it's a breeze to unlock the adult electric motorcycle with a simple tap. The NFC key card can be synced with your phone, effectively transforming your phone into a key.

7-Speed Gear System

7-Speed Gear System

Whether you're cruising city streets or tackling trails, the 7-speed gear setup keeps your ride smooth and efficient across any terrain. A true all-terrain electric bike for any ride.

Advanced Anti Slip Snow Tire

Advanced Anti Slip Snow Tire

We use higher quality off-road fat tires that are puncture resistant, slip resistant, and can overcome all terrain and seasonal road conditions. At the same time, the tires come with warning reflective strips that can provide reflective protection at night.

Throttle And Pedal Assist

Throttle And Pedal Assist

The G70 comes with a half-twist throttle and 5 levels of pedal assist. Even with a full load of groceries or gear, you can cruise with ease and stay in control.

Removeable Rear Seat

Removeable Rear Seat

The rear seat of this two seater e-bike can be replaced with a cargo rack as an electric cargo bike for groceries. We have set a buckle at the bottom of the rear seat to place the rear rack, so that you can replace the suitable rack by yourself. The rack can bear up to 50 lbs.


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    Total price$7,595.00