Keyde mini rear motorShimano Ultegra 2*10-speedPanasonic hidden battery inside the down tubeHangzhou ANNAD Electric Bicycle Co.,Ltd is one of the leading China racing bike manufacturers and suppliers,Website: , and also a professional racing bike company with well-run factory. Welcome to wholesale or buy racing bike, lightweight bike products in small quantity from us, if you are looking for cheap, low price or fashion products.