Made of aluminum;
In diameters of: 30mm/40mm/42mm/50mm/55mm/62mm/76mm/89mm/101mm.
Usually, there are 10 colors for you to choose from: black, silver, golden, grey, blue, cyan, purple, pink, green and red; and also we can make it with HARD ANODIZE, which in color of dark brown.
Logo: printing(usually in colors of white or black) or laser marking(in a color of the original aliminum).