Happy Run G100 Pro 
Speed & Range
Speed1 To 5 Speeds Up To 50 MPH
RangeUp to 78 Miles
Gearing & Rear DerailleurSingle Speed
Electronics
Battery72V 18Ah (Top) + 15Ah (Bottom) Lithium Battery
Motor3000W (Peak Motor Power 6000W )
Charger7-8 Hours, 2A Charger
DisplayLarge LED Display + NFC Unlocking
ThrottleHalf Twist Throttle
Front Light160 Lumens LED Light
TaillightBraking Indicator, Rear Light Steady/Flash
Turn SignalFront and Rear Sequential Turn Signal Lights
Waterproof GradeIP54
Frameset
FrameHigh-Strength Carbon Steel Frame
SuspensionsFull Suspensions
Front ForkUpgraded Adjustable Aluminum Alloy
TiresPremium 20 x 4-inch Road Tires
Brake
BrakesPower-off Hydraulic Brake
Brake LeversAluminum Alloy, Comfort Grip Levers
RotorsFront 180mm, Rear 203mm
Bike Dimension
Bike Weight159 lbs
Bike Package Size1570*290*920 mm /61.8" × 11.4" × 36.2"
Battery Package Size440*180*320 mm /17.3" × 7.1" × 12.6"
Total Payload400 lbs
Recommended Rider Height5'3" - 6'5"
Seat Height32"
Rear Rack Load33 lbs