Rims: WTB ST i23 700C ETRTO 622-23 Inner width: 23mm Disc Brake Only Drilled for Presta valve TCS 2.0 Tubeless System compatible Solid Strip (included) 32 holesFront hub: Shimano HB-RS470 Tiagra series 12x100mm E-THRU (Axle not included) Center Lock Disc Mount Polished angular contact bearings with Internal Grease Sleeve Contact sealed hubRear hub: Shimano FH-RS470 Tiagra series 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) Attributes Axle Type 12mm TA Depth 18mm Freehub Body Shimano HG 11 Rim Color Black Rim Construction Double wall Rim Drilling 32 Rim External Width 27mm Rim inner width range 22-27.9mm Rim Internal Width 23mm Rim Material Aluminum Rim Model WTB ST i23 Skewers Included No Spoke Type Sapim Race Valve Presta Wheel Diameter/ISO 700C / 622 Wheel Tire Type Tubeless Compatible Wheel-Brake Comp. Disc Center Lock