Welded construction and bead blasted, anodized finish on a lightweight yet strong and wide XC rim Custom alloy and the use of the PHR nipple interface allow the ability to pair the unpairable - wide, strong and light 29` DT Swiss XR391 622 25 29 18 Dbl Disc Black 32 PV 440g 607UPC/EAN/GTIN: 7613052009223