The SYM DD50 (also known as the SYM Jolie or City Trek, or in some markets as Super Pure,) is a single-cylinder, , oil injected two-stroke, automatic scooter manufactured by the Taiwanese company SYM Motors.
The DD50 has a continuously variable transmission, auto-choke, electric and kick starters, and auto-lubrication to simplify operation. In addition to a speedometer, the front console features a fuel level gauge and a low oil (two-stroke oil) indicator. The fuel tank has a capacity of . The DD50 has a dry weight of . The front brake is a hydraulic disc, and the rear brake is a drum. The under-seat luggage compartment is suitable for helmet storage.