Street racing bike conception. The design of model SK150-7 positioning as the    entry-level street racing bike, no matter the style of appearance, the structural system and maneuverability design are all customized design according to the performance characteristics of street racing bike. SK150-7 is a new racing bike combined speed and furious, sports, leisure and entertainment into a body, instead of walking, it cater to the people’s pursuit of personalized attitude towards life.