Features Faster clincher design Light weight Supreme aerodynamics Durable Fastest with 23mm tires Lifetime Warranty Specifications Size (wheels): 700c Rim construction: Carbon - w/Hooks Tire compatibility: Tube-type or Tubeless tires Rim depth: n/a Brake compatibility: n/a Rim - inside width: 21mm Rim profile: Symmetrical Rim finish: UD fiber, Impress technology Hub: ZR1 Track Driver body type: n/a Bearings: Cartridge - Ceramic Max tire pressure: 125psi/8.6bar Max recommended system weight: 250lbs/114kg Spoke Length DS: n/a Spoke Length NDS: n/a Max outside width: 27.5mm Weight (g): 1000 Weight Based On: Rear disc, no tape or valve included in weight.