16 ″ New European Standard Certification, UL Certification,16″*1.75-1.95”, Electric Bicycle, Shimano nexus inner 5speed, front disc brake back roller brake, pogwiritsa ntchito Rotating shifter system.Bicycle yolemera iyi yopepuka imatha kupindika mosavuta mkati mwa masekondi 15 kuti isungidwe mosavuta komanso mayendedwe.