Material:Black spokes is made of #45 Steel,Sliver spokes is made of stainless steel. SIZE: Multiple sizes available, ranging from 80mm to 297mm, please choose the size that fits your bicycle.Diameter: 2mm Modle:14G Spokes Package Included: 36 x spokes 36 x nipples The length of spokes depending on your rim, hubs and your weaving method. So we have no suggestion on this, you can measure your old spokes first, please confirm before you place an order.