Zipp, 303 S Disc A1, Wheel, Front, 700C / 622, Holes: 24, 12mm TA, 100mm, Disc Center Lock

* Ideal-for-every-terrain 45mm rim depth with a significantly wider internal width to provide greater performance and ride quality in almost every measurable way* Optimized for top aero performance with a 28mm tire but capable of handling gravel tires up to 50mm wide* 27mm outer width, and 23mm internal* 76 / 176 DB hubs with Center locking interface* SRAM Model ID: WH-303-STLD-A1