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Product Description

The HappyRun G70 Pro is the dual-motor version of the G70 long-tail cargo bike. Front and rear motors rated at 2500W peak each (5000W combined) give it all-wheel-drive torque for hills and full loads, while dual batteries totaling 48V 33Ah deliver up to 85 miles of range. Two seats, a swappable cargo rack, a 36 MPH top speed in off-road mode, 101 lbs, and a 330 lb total payload.

  • Dual-motor all-wheel drive — Front and rear motors at 2500W peak each — 5000W combined peak output for climbing and heavy loads.
  • Up to 85 miles of range — Dual 48V lithium batteries: 18Ah (top) + 15Ah (bottom), 33Ah combined.
  • Up to 36 MPH — 1–5 speed levels; a 28 MPH on-road mode and an off-road mode up to 36 MPH.
  • Passengers or cargo — Two seats standard; the rear seat swaps for a cargo rack rated to 50 lbs. 330 lb total payload.
  • Full suspension — Adjustable aluminum alloy front fork plus rear suspension for a controlled ride on rough ground.
  • Hydraulic disc brakes — Front and rear hydraulic brakes with 160mm rotors and power-cutoff brake levers.
  • Throttle, pedal assist and 7 speeds — Half-twist throttle, 5 pedal-assist levels and a 7-speed drivetrain.
  • NFC unlock and full lighting — NFC card unlock (syncs with iOS and Android phones), 160-lumen headlight, brake light, sequential turn signals; IPX5 water resistance.

Two Riding Modes

The G70 Pro ships in off-road mode by default, with a top speed of up to 36 MPH. Switch to on-road mode for a 28 MPH top speed. HappyRun notes the real-world top speed depends on battery level and rider weight, typically 34–36 MPH.

What's in the Box

  • G70 Pro e-bike × 1
  • Charger × 1
  • Battery keys × 2
  • NFC cards × 2
  • Inflator × 1
  • Fender × 1
  • Installation kit, screws and wrench

Specifications

Category Specification Details
Performance Motor Dual-drive, front and rear (2500W peak each, 5000W total peak)
Top Speed Up to 36 MPH (1–5 speed levels; 28 MPH on-road mode)
Range Up to 85 miles
Gearing 7-speed
Battery & Electronics Battery 48V 18Ah (top) + 15Ah (bottom) lithium — 33Ah total
Charger 2A; 7–8 hours
Display Large LED display + NFC unlocking
Throttle Half-twist throttle + 5-level pedal assist
Lighting 160-lumen LED headlight; brake light (steady/flash); front and rear sequential turn signals
Water Resistance IPX5
Frame & Ride Frame High-strength carbon steel
Suspension Full suspension
Front Fork Adjustable aluminum alloy
Tires 20" × 4" road tires
Brakes Brakes Front and rear hydraulic disc
Brake Levers Aluminum alloy, with power cutoff
Rotors 160mm front and rear
Size & Capacity Bike Weight 101 lbs
Total Payload 330 lbs
Rear Rack Load 50 lbs
Seat Height 32"
Recommended Rider Height 5'1" – 6'5"
Package Size 57.1" × 10.6" × 35.4" (1450 × 270 × 900 mm)

Dimensions

  • Total length: 66" (1677 mm)
  • Handlebar height: 44" (1118 mm)
  • Wheelbase: 44" (1118 mm)
  • Wheel diameter: 24" (610 mm)
  • One size fits most riders 5'1" – 6'5"

Before You Buy — What You Should Know

Shipping: Ships free to the contiguous United States. Contact our team for estimated delivery timelines before ordering. The bike arrives about 90% assembled; a QR code on the display links to a setup guidance video.

Warranty: 2-year warranty on the frame, plus coverage on the key motor and electrical components. Contact our team for component-specific terms.

Price & savings: No sales tax on any order, and we'll match any competitor's price.

Who It's For: Families and riders who carry passengers or heavy loads over hills and mixed terrain and want dual-motor traction and more speed. If 20 MPH is plenty and you want a lighter, simpler setup, see the G70.

Support: Our team can help with riding-mode setup, rear rack and seat questions, rider-fit checks, and choosing between the G70 Pro and G70. We've done the research. You make the decision.

FAQs

Can it really reach 36 MPH?
Yes, in off-road mode. Top speed depends on battery level and rider weight and usually lands between 34 and 36 MPH.

Can I ride it as a commuter bike?
Yes. The G70 Pro handles urban, rural and hilly routes, and on-road mode limits top speed to 28 MPH.

Can I swap the passenger seat for a cargo rack?
Yes. A buckle under the rear seat mounts the rear rack, so you can change it yourself. The rack carries up to 50 lbs.

How do I switch between kilometers and miles, or trip and total mileage?
Once the bike is unlocked, hold the brake lever and press the "S" button twice to switch between kilometers and miles. Press the "S" button three times (no brake needed) to toggle between trip mileage and total mileage.

You May Also Like

Compare All HappyRun Cargo E-Bikes

Specification G70 G70 Pro
Price $1,329–$1,349 $1,429–$1,449
Best For Family cargo & passenger rides Heavy family & cargo hauling
Motor 750W (2000W peak) Dual 2500W peak (5000W total)
Battery 48V 26Ah dual (13Ah + 13Ah) 48V 33Ah dual (18Ah + 15Ah)
Range Up to 85 miles Up to 85 miles
Top Speed 20 MPH 36 MPH (28 MPH on-road)
Tires 20" × 4" road 20" × 4" road
Suspension Full Full
Brakes Hydraulic disc, 160mm Hydraulic disc, 160mm
Weight 98 lbs 101 lbs
Payload 330 lbs 330 lbs

Not sure which model is right for you? Our specialists know every spec inside and out and can help you pick the right one. Call us at (855) 243-6425 — we'll also match any competitor's price and back your purchase with dedicated rep support.

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