Rims: Alex AT490 700C - ETRTO 622-17 - External width: 22mm - Inner width: 17mm - Profile height: 24mm - CSW Machined Sidewall - TRS Tubeless Compatible - For Presta valve - 32 holes Front hub: Shimano Sora HB-RS300 - 9x100mm - Angular contact bearings - Contact sealed hub - Quick Release Binder (Internal Cam) included Assembled in North America by experienced wheel builders with Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)