Aluminum 6061 cruiser bicycle frames 1> Have been showed in shanghai ... frames1> Type: 26",28" frame2> Surface:paint3> Material:Aluminum/alloy (#6061)4> Size:to order5> Color:to order6> Packing: 2-4 ... 1,Lightweight material,high strength,high toughness.2,Head tube,top tube,down tube,Seat stay,chain stay,all parts could change the ... we could negotiate again,thks ! Cruiser bicycle frames aluminum 6061