Ao Weite latest high with three cars, not synchronous design, to avoid trouble off the chain. I believe that many rental used all know. Three vehicles suitable for tourist scenic areas, parks, Holiday Villa, Island Lake tourist area, residential estate, University City, neighborhoods and communities ...... can practice riding a tandem car calcined body, but also tourism and leisure, tourism and entertainment , lease management, community policing, street propaganda good tool for aluminum handlebar is now revised, electric cars big cushions, plastic cushions, because the fork will not be crushed during transport, so the shipping fork is reversed position Buyers get the goods should fork over along the installation!