Product Info Rims: WTB DX18 27.5'' (ETRTO 584), inner width: 18 mm Anodized black finish CNC machined sidewalls Stainless steel eyelets Rim wear indicator Pinned joint Drilled for Schrader valve 36 holesFront hub (-01): Alloy, Disc and Rim brake compatible, Quick Release, Hollow CrMo axle M9x100mm Anodized black finish