Rims: WTB DX18 26''* ETRTO 559-18* 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: Shimano HB-QC300* 9x100mm* Center Lock Disc Mount* Adjutable Cup & Cone* Contact sealed hub* Quick Release Binder includedRear hub: Shimano FH-QC300* 10x135mm* Center Lock Disc Mount* Adjutable Cup & Cone* Contact sealed hub and freehub body* Quick Release Binder included* Compatible with 8/9/10/11 speed MTBAssembled in North America by experienced wheelbuilders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)