Disc specific gravel rims with reinforced rim bed and welded seam for unmatched strength 24mm inner diameter supports wider tires for improved performance and ride quality Available in 24, 28, and 32 spoke hole configurations PHR washers and nipples included 700C DT Swiss GR531 622 24 28 25 Dbl DISC Black 28 PV 535g 594 PHR Washers + NipplesUPC/EAN/GTIN: 7613052269948