Rims: WTB ST i30, inner width: 30 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:* Shimano HB-MT400-B, E-THRU 15x110mm BOOST* Center Lock disc mount* Adjustable bearings* E-THRU Axle not includedRear hub:* Shimano FH-MT400-B, E-THRU 12x148mm BOOST* Freehub compatible with MTB HG 8-12 speed cassette* Quick Engagement Pawl Ratchet (36T / 10deg engagement)* Center Lock disc mount* Adjustable bearings* E-THRU Axle not includedTubeless Compatible (Tubeless Valve included)Assembled in North America by experienced wheelbuilders with Sapim 14G Stainless Steel spokes and 14mm Brass Polyax Nipples