Rims: WTB DX18 700C / 29'' (ETRTO 662), 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, Bolt-On, Solid CrMo axle 3/8'' x 100mm (L:140mm) Anodized black finish Adjustable bearings with rubber seal Flange Nuts includedRear hub (-02): Alloy, Freewheel, Bolt-On, Solid CrMo axle 3/8'' x 135mm (L:175mm) Anodized black finish Adjustable bearings with rubber seal Flange Nuts includedAssembled in North America by experienced wheelbuilders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black) Attributes Rim Construction Double wall Rim External Width 23.5mm Rim Color Black Spoke Type Sapim Wheel-Brake Comp. Rim Axle Type Bolt-on Depth 18mm Rim inner width range 0-21.9mm Wheel Diameter/ISO 700C / 622 Wheel Tire Type Clincher Rim Drilling 36 Rim Internal Width 18mm Freehub Body Freewheel Rim Material Aluminum Valve Schrader