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 holesFront hub: Shimano Sora HB-RS300* 9x100mm* Angular contact bearings* Contact sealed hub* Quick Release Binder (Internal Cam) includedRear hub: Shimano Sora FH-RS300* 10x130mm* Angular contact bearings* Contact sealed hub and freehub body* Quick Release Binder (Internal Cam) included* Compatible with 8,9,10 speed* Assembled in North America by experienced wheelbuilders with Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)