... mountain bike carton packing Product specification: full carbon fiber,mtb frame,mtb bike frame GMZ002 with size 16" and 18"Type:26" MTB ... bicycle frameFrame No.:GMZ002Fork:GFK006Material:full carbon(3K,12K,UD ... :AlloyAvailable sizes: 16" 18" we supply carbon mtb frame,carbon road frame,carbon rims,carbon wheels,and other bicycle products.to do better ...