Zipp 303 S Carbon Centerlock Disc A1 Wheel, 700C TA




Zipp’s 303 S Tubeless Disc Brake wheelset provides cyclists the versatility they demand with the speed they crave. This wheelset is tubeless for disc-brake bikes, allowing the ability to run wide tires at lower pressures for race-ready speed on or off the pavement. The 303 S is light, optimized for top aero performance with a 28mm tire but capable of handling gravel tires up to 50mm wide. The 303 S is designed to gain speed through increased efficiency with reduced: Wind resistance, rolling resistance and weight. The key innovation is in the 303 S Series’ rim design. Its 45mm rim depth is the same as its predecessor, the 302 Disc brake. But its rim width is 2mm wider, at 27mm, and its tire bed is a full 7mm wider, at 23mm. That rim platform is designed to be the fastest with a 28mm tire. The wide rim optimizes tire profile to allow lower tire pressure. That helps to reduce rolling resistance and provides a more compliant ride. The result of all this is a 10 percent watt savings vs. a top peer wheel in total power required to ride 40kph on a smooth flat road with a 28mm tire, according to internal Zipp testing. This groundbreaking wheelset also features all-new cosmetics, setting the rider apart from the pack, and comes at an attractive price.


  • Hubs: Front: 76D Rear: 176D with Center locking interface
  • Axle Type:  12mm TA
  • Hub spacing: Front: 100mm, Rear: 142mm
  • Freehub body: SRAM XD-R or Shimano 11
  • Tire type: Tubeless 28mm – 50mm width
  • Spokes: Sapim
  • Valve: Presta
  • Rim Internal width: 27mm outer width, and 23mm internal
  • Depth: 45mm
  • rim model: 303 S Tubeless Disc
  • Weight: 1530 grams for the set (front and rear)



Additional information


Front, Rear SRAM XD-R 12 speed, Rear Shimano HG /SRAM 11 speed




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