children‘s bicycle mountain bike boys and girls middle and big children mountain bike 4-6-8-11 years old variable speed student bike

black and blue single speed double disc brake + headlight gift bag(黑蓝色《单速》双碟刹＋大灯礼包) black and red single speed double disc brake + headlight gift bag(黑红色《单速》双碟刹＋大灯礼包) light pink "single speed" double disc brake + headlight gift bag(白粉色《单速》双碟刹＋大灯礼包) white orange single speed double disc brake + headlight gift bag(白橙色《单速》双碟刹＋大灯礼包) silver gray single speed double disc brake + headlight gift bag(银灰色《单速》双碟刹＋大灯礼包) pure pink single speed double disc brake + headlight gift bag(纯粉色《单速》双碟刹＋大灯礼包) black and blue "speed change" double disc brake + headlight gift bag(黑蓝色《变速》双碟刹＋大灯礼包) black and red "speed change" double disc brake + headlight gift bag(黑红色《变速》双碟刹＋大灯礼包) light pink "speed change" double disc brake + headlight gift bag(白粉色《变速》双碟刹＋大灯礼包) white orange variable speed double disc brake + headlight gift bag(白橙色《变速》双碟刹＋大灯礼包) silver gray variable speed double disc brake + headlight gift bag(银灰色《变速》双碟刹＋大灯礼包) pure pink "variable speed" double disc brake + headlight gift bag(纯粉色《变速》双碟刹＋大灯礼包) black and blue single speed shock absorption double disc brake + headlight gift bag(黑蓝色《单速》减震双碟刹＋大灯礼包) black and red single speed shock absorption double disc brake + headlight gift bag(黑红色《单速》减震双碟刹＋大灯礼包) light pink single speed shock absorption double disc brake + headlight gift bag(白粉色《单速》减震双碟刹＋大灯礼包) white orange single speed shock absorption double disc brake + headlight gift bag(白橙色《单速》减震双碟刹＋大灯礼包) silver gray single speed shock absorption double disc brake + headlight gift bag(银灰色《单速》减震双碟刹＋大灯礼包) pure pink single speed shock absorption double disc brake + headlight gift bag(纯粉色《单速》减震双碟刹＋大灯礼包) black and blue "speed change" shock absorption double disc brake + headlight gift bag(黑蓝色《变速》减震双碟刹＋大灯礼包) black and red variable speed shock absorption double disc brake + headlight gift bag(黑红色《变速》减震双碟刹＋大灯礼包) light pink variable speed shock absorption double disc brake + headlight gift bag(白粉色《变速》减震双碟刹＋大灯礼包) white orange variable speed shock absorption double disc brake + headlight gift bag(白橙色《变速》减震双碟刹＋大灯礼包) silver gray variable speed shock absorption double disc brake + headlight gift bag(银灰色《变速》减震双碟刹＋大灯礼包) pure pink variable speed shock absorption double disc brake + headlight gift bag(纯粉色《变速》减震双碟刹＋大灯礼包) black and blue "speed change" shock absorption double disc brake + headlight gift bag + integrated wheel(黑蓝色《变速》减震双碟刹＋大灯礼包＋一体轮) black and red variable speed shock absorption double disc brake + headlight gift bag + integrated wheel(黑红色《变速》减震双碟刹＋大灯礼包＋一体轮) light pink variable speed shock absorption double disc brake + headlight gift bag + integrated wheel(白粉色《变速》减震双碟刹＋大灯礼包＋一体轮) white orange variable speed shock absorption double disc brake + headlight gift bag + integrated wheel(白橙色《变速》减震双碟刹＋大灯礼包＋一体轮) silver gray variable speed shock absorption double disc brake + headlight gift bag + integrated wheel(银灰色《变速》减震双碟刹＋大灯礼包＋一体轮) pure pink variable speed shock absorption double disc brake + headlight gift bag + integrated wheel(纯粉色《变速》减震双碟刹＋大灯礼包＋一体轮)

18 inches(18寸) 20 inches(20寸) 22 inches(22寸) 24 inches(24寸)