HappyRun G100 Pro – 6000W Dual Battery Electric Bike (78-Mile Range, 400 lb Payload)

The HappyRun G100 Pro is a cafe racer–inspired electric bike that rides like a motorcycle. It is the upgraded version of the G100, with a 6000W peak motor that reaches up to 50 MPH and a removable dual battery system totaling 72V 33Ah for up to 78 miles per charge. Full suspension, power-off hydraulic brakes with a 203mm rear rotor, 159 lbs, and a 400 lb total payload.

• Up to 50 MPH — 6000W peak motor with 1–5 speed levels; a speed-limit function caps it at 28 MPH for commuting.
• Up to 78 miles of range — Removable dual 72V lithium batteries: 18Ah (top) + 15Ah (bottom), 33Ah combined.
• 400 lb total payload — High-strength carbon steel frame; rear rack rated to 33 lbs.
• Oversized hydraulic brakes — Power-off hydraulic disc brakes with a 180mm front and 203mm rear rotor.
• Full suspension — Upgraded adjustable aluminum alloy front fork plus rear suspension for city streets and rough trails.
• Throttle and pedal assist — Half-twist throttle with 5 pedal-assist levels; single-speed drivetrain.
• NFC unlock and sunshade display — Tap-to-start NFC card and a large LED display with a sunshade for readability in sunlight.
• Full lighting — 160-lumen LED headlight, brake light (steady/flash), front and rear sequential turn signals; IP54 water resistance.

Available Configurations

Choose Black or Yellow, as the bike alone, with a helmet (size L, 22.83"–23.23" / 58–59 cm, fits most adult and teen riders), or with a cargo box.

What's in the Box

• G100 Pro e-bike × 1
• Battery charger × 1
• Battery keys × 2
• NFC cards × 2
• Inflator × 1
• Fender × 1
• Installation kit, screws and wrench

Specifications

Dimensions

• Total length: 68" (1727 mm)
• Handlebar height: 47" (1194 mm)
• Wheelbase: 45" (1143 mm)
• Seat height: 33" (838 mm)
• One size fits most riders 5'3" – 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: Experienced riders who want motorcycle-style speed and range for the street and trail, with a heavy-duty 400 lb payload. For a lighter moped-style bike with a 20 MPH top speed and UL 2849 certification, see the Tank G60 Pro.

Support: Our team can help with speed-mode setup, helmet and cargo box options, rider-fit checks, and comparing the G100 Pro with our other HappyRun models. We've done the research. You make the decision.

FAQs

Can I ride it as a commuter bike?
Yes. The G100 Pro has a speed-limit function that caps top speed at 28 MPH.

How fast is it?
Up to 50 MPH from the 6000W peak motor, with quick acceleration and strong hill-climbing.

What helmet size comes with the helmet option?
Size L: 22.83"–23.23" (58–59 cm), which fits most adult and teen riders.

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

• HappyRun Tank G60 Pro Moped-Style E-Bike — lighter moped-style ride, 20 MPH and 70+ miles, UL 2849 certified.
• HappyRun G100 Pro Combo Sale – Two G100 Pro E-Bikes — two G100 Pro bikes together for two riders.
• HappyRun G70 Pro Dual-Motor Cargo E-Bike — dual-motor cargo bike with two seats for passengers or gear.

Compare All HappyRun Moped-Style E-Bikes

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.