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, Quick Release, Hollow CrMo axle M9x100mm* Anodized black* Adjustable bearings* Quick Release Binders Incl.Rear hub (-02): Alloy, Freewheel, Quick Release, Hollow CrMo axle M10x135mm* Anodized black* Adjustable bearings* Quick Release Binders Incl.Rear hub (-03): Alloy, Shimano HG, Quick Release, Hollow CrMo axle M10x135mm* Anodized black* Adjustable bearings* Quick Release Binders Incl.Rear hub (-04): Alloy, Shimano HG, Quick Release, Hollow CrMo axle M10x130mm* Anodized black* Adjustable bearings* Quick Release Binders Incl.Assembled in North America by experienced wheelbuilders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)