Rims: EVO JP95 27.5″* ETRTO 584-94* Inner width: 94mm* Disc Brake Only* Drilled for Schrader valve* 32 holesFront hub: Novatec D201SB* 15x150mm (Axle not included)* 6-Bolt Disc Mount* Sealed cartridge bearings (x2)Rear hub: Novatec D202SB* 12x197mm (Axle not included)* 6-Bolt Disc Mount* Sealed cartridge bearings (x5)* Compatible with 8-11 speed MTB (12 speed HG with 1.85mm spacer, not included)Assembled in North America by experienced wheelbuilders with Sapim stainless steel spokes (Black) and 14mm Brass Polyax Nipples (Black)