... : 4.10 gas scooter1.foldable design2.front and rear disc brake3.EPA motor4.New swing arm ... suspension design,sit or stand riding all available Model No:CHGS-001Frame material:High-tensile SteelEngine: 4 ... riser 20", 62.5cm widthFolding: availableBrake: Disc, front and rearTransmission system: Chain driveSeat: Yes, removable stand riding ... arm full suspension design new model of CE foldable gas scooter