bicycle children‘s mountain bike men‘s and women‘s teenagers 6-8 years old 101220 large and medium primary school students bicycle speed change

single speed-black and red version [standard]](单速-黑红色版【标准款】) single speed-black and blue version [standard]](单速-黑蓝色版【标准款】) single speed-black green version [standard]](单速-黑绿色版【标准款】) single speed-white and blue version [standard]](单速-白蓝色版【标准款】) single speed-white pink version [standard]](单速-白粉色版【标准款】) single speed-dazzling color version [standard]](单速-炫彩色版【标准款】) single speed-royal blue version [standard]](单速-宝蓝色版【标准款】) single speed-bright silver version [standard]](单速-亮银色版【标准款】) variable speed-black and red version [standard]](变速-黑红色版【标准款】) variable speed-black and blue version [standard]](变速-黑蓝色版【标准款】) variable speed-black green version [standard]](变速-黑绿色版【标准款】) variable speed-white and blue version [standard]](变速-白蓝色版【标准款】) variable speed-white pink version [standard]](变速-白粉色版【标准款】) variable speed-dazzling color version [standard]](变速-炫彩色版【标准款】) variable speed-royal blue version [standard]](变速-宝蓝色版【标准款】) variable speed-bright silver version [standard]](变速-亮银色版【标准款】) disc brake-single speed-black and red [standard]](碟刹-单速-黑红色【标准款】) disc brake-single speed-black and blue [standard]](碟刹-单速-黑蓝色【标准款】) disc brake-single speed-bright silver [standard]](碟刹-单速-亮银色【标准款】) disc brake-variable speed + black and red [standard]](碟刹-变速＋黑红色【标准款】) disc brake-variable speed + black and blue [standard]](碟刹-变速＋黑蓝色【标准款】) disc brake-variable speed + black and green [standard]](碟刹-变速＋黑绿色【标准款】) disc brake-variable speed + white and blue [standard]](碟刹-变速＋白蓝色【标准款】) disc brake-variable speed + light pink [standard model]](碟刹-变速＋白粉色【标准款】) disc brake-variable speed + colorful color [standard]](碟刹-变速＋炫彩色【标准款】) disc brake-variable speed + royal blue standard model]](碟刹-变速＋宝蓝色【标准款】) disc brake-variable speed + bright silver [standard]](碟刹-变速＋亮银色【标准款】)

rui-18-inch suitable for height 115cm-125cm(瑞-18寸适合身高115CM-125厘米) rui-20-inch suitable for height 130cm-150cm(瑞-20寸适合身高130CM-150厘米) rui-22inch suitable for height 140cm-160cm(瑞-22寸适合身高140CM-160厘米) rui-24-inch suitable for height 150cm-170cm(瑞-24寸适合身高150CM-170厘米) rui-26-inch suitable for height 160cm-180cm(瑞-26寸适合身高160CM-180厘米)