Rims: WTB EZR i23 700C* ETRTO 622-23* Inner width: 23mm* Made from 6069 series Aluminum alloy* Asymetric and angled spoke hole drilling distributes spoke tension more evenly* Stronger and lighter rim using a sleeved joint* Disc Brake Only* Drilled for Presta valve* TCS 2.0 Tubeless System compatible* Solid Strip (included)* 32 holesFront hub: Shimano 105 HB-R7070* 12x100mm E-THRU (Axle not included)* Center Lock Disc Mount* Polished angular contact bearings with Internal Grease Sleeve* Contact sealed hubRear hub: Shimano 105 FH-R7070* 12x142mm E-THRU (Axle not included)* Center Lock Disc Mount* Polished angular contact bearings with Internal Grease Sleeve* Contact sealed hub and freehub body* Compatible with 11/12 speed Road (10 speed compatibility requires 1.85mm spacer, not included)Assembled in North America by experienced wheelbuilders with Sapim Race Butted Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)