20mm super light bicycle carbon rims tubular 700c rims 1.EN standard 2.3k ud 3.T700 ... carbon 4.OEM monocoque 700c super light bicycle carbon rims tubular 20,36,50,56,86mm Brand ROSITModelBI-RIM-20TItem:Carbon ... ' requirement. Our main market:North America, South America, Eastern Europe, Southeast Asia, Oceania, Eastern Asia, Western Europe Our service: 1.Shipping: the products will ...