Stem 1.Material:Full Carbon 2.Woven:3K,12K or UDM 3.Business Model:Factory ... part , such as carbon bicycle frame, front fork,handlebar, stem, saddle, seat post, bottle cage and so on .Commodity:Stem(FA-S01)Material:CarbonSize ... :Europe,North America,AsiaPort:XiamenPackage: Air Bag+ CartonWarranty:2 Years Carbon Stem