A state-of-the-art high quality aluminum rim, making for the perfect upgrade on any road bike Welded seam and asymmetric design make for a lightweight but extrememly rigid and tough design 700C DT Swiss RR421 622 20 24 21 Dbl Disc Black 28 PV 430g 601 Nipples & PHR WashersUPC/EAN/GTIN: 7630033894012