Rims: WTB ST i23, inner width: 23 mm* TCS 2.0 Tubeless system* Solid Strip (included) protects and ensures a smooth surface between the tire and the rim* Easy On-Ramp profile allows for a smooth tire installation and stress- free inflation* Industrial Epoxy reinforced Pinned Joint provides repeatable tubeless consistency* Drilled for Presta valve* 32 holesFront hub:* Formula DC20, M9x100mm* 6-bolt disc mount* Adjustable bearings* Quick-Release binder includedRear hub:* Formula DC22, M10x135mm* HG Freehub compatible with 8 – 10, MTB 11-speed* 6-bolt disc mount* Adjustable bearings* Quick-Release binder includedTubeless Compatible (Valve and Tape not included)Assembled in North America by experienced wheelbuilders with Sapim 14G Stainless Steel spokes and 14mm Brass Polyax Nipples