The EXC 1200 CLASSIC supports your most daring line choices, with still plenty of reserve if they donât go to planDT Swiss` unique process provides maximum carbon compression to push durability further than ever beforePatent-pending technique for layer-by-layer quality control ensures minimized imperfections straight out of the mold180 series hubs with low friction ceramic bearings and new 90 tooth DEG freehub system (rear wheels only)Rear wheels included a mounted XD freehub body, and an additional MicroSpline optional freehub body29inRR30Thru 12mmCrbnEXC 1200 Classic180 DEG148BlkXD/Micro6BDT Revolite32HDblPVUPC/EAN/GTIN: 7613052305219