Rims: WTB DX18 700C / 29'' (ETRTO 622), 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 Adjustable bearings with rubber seal Quick Release Binders IncludedRear hub (-02): Alloy, Disc and Rim brake compatible, Shimano HG, Quick Release, Hollow CrMo axle M10x135mm Anodized black finish Adjustable bearings with rubber seal Quick Release Binders IncludedRear hub (-04): Alloy, Disc and Rim brake compatible, Freewheel, Quick Release, Hollow CrMo axle M10x135mm Anodized black finish Adjustable bearings with rubber seal Quick Release Binders IncludedAssembled in North America by experienced wheelbuilders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black) Attributes Rim Internal Width 18mm Valve Schrader Wheel Tire Type Clincher Wheel Diameter/ISO 700C / 622 Rim Construction Double wall Rim Drilling 36 Rim inner width range 0-21.9mm Wheel-Brake Comp. Rim and Disc IS 6-bolt Depth 18mm Rim External Width 23.5mm Skewers Included Yes Axle Type QR Rim Model WTB DX18 Rim Color Black Spoke Type Sapim Rim Material Aluminum