Features Zipp graphics and cosmetic identity that scream speed Fastest with 28mm, fits wide gravel tires as well 76 / 176 DB hubs with Center locking interface XDR and HG driver body option available Wide rims optimize tire profile to allow lower tire pressure, especially with tubeless. The result is a larger contact patch for increase grip for confident cornering, descending, and handling in wet conditions. Lower tire pressures and larger volume provides a compliant ride with fewer vibrations. Significant watt savings when running larger tires at lower pressure. Wide hookless rims create a seamless transition to the tire, reducing drag. Specifications Size (wheels): 700c Rim construction: Carbon – Hookless Tire compatibility: Tubeless tires only Rim depth: 45mm Brake compatibility: Disc (Center Lock) Rim - inside width: 23mm Rim profile: Symmetrical Rim finish: UD fiber / Bake-On labels / Matte clear coat Hub: 176D, 76D Driver body type; SRAM XDR, SRAM/Shimano Road, n/a Bearings: Cartridge - Steel Max tire pressure: 73psi Max recommended system weight: 286lbs/130kg Spoke Length DS: 264mm, 266mm Spoke Length NDS: 266mm, 268mm Max outside width: 28mm Weight (g): 1530 Weight Based On: Lightest configuration: 12mm through axles and XDR body. No tape or valve included in weight. Front: 711g Rear: 819g