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Versatility Punctuates Zipp’s New 303 S Tubeless Disc Brake Wheelset

Versatility punctuates Zipp’s New 303 S disc brake specific, tubeless wheelset, offering a wider 27mm external profile alongside an internal width that’s been increased to a staggering 23mm. 

“Expanding greatly on its heritage of conquering the Spring Classics, this 303 wheelset maintains its ideal-for-every-terrain 45mm rim depth but adds a significantly wider internal width to provide greater performance and ride quality in almost every measurable way,” says Zipp.

“The 303 S offers an entirely new rim profile and design to optimize rider performance on this new breed of bike. “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,” Zipp adds. 

Zipp says its new 303 S wheelset is aimed at both the road and gravel segments, which is built around the company’s 76/176 disc brake hubs with 24 Sapim CX-Sprint spokes and 12mm thru-axles to ensure strength and durability. 

Additionally, the new 303 S wheelset also comes with Zipp’s revised graphics and lifetime warranty, complete with tubeless rim tape, tubeless valves and centerlock lock-rings for $1200.00.

more from Zipp…

Expanding greatly on its heritage of conquering the Spring Classics, this 303 wheelset maintains its ideal-for-every-terrain 45mm rim depth but adds a significantly wider internal width to provide greater performance and ride quality in almost every measurable way. Road bikes are more versatile than ever, no matter the road surface, but just as fast as before. The 303 S offers a redesigned rim profile and design to optimize rider performance on this new breed of bike. 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 among our lightest wheelsets, optimized for top aero performance with a 28mm tire but capable of handling gravel tires up to 50mm wide. The key innovation is in the 303 S’s rim design. Its 45mm rim depth is the same as its predecessor, the 302 Disc brake. But its external rim width is 2mm wider, at 27mm, and its tire bed is a full 7mm wider, at 23mm internal width. 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 watt savings vs. a top peer wheel in total power required to ride 40kph on a flat road with a 28mm tire, according to internal Zipp testing. This groundbreaking wheelset also features updated cosmetics, setting the rider apart from the pack, and comes at an attractive price.

FEATURES OF 303 S

  • Zipp graphics and cosmetic identity that scream speed
  • Fastest with 28mm, fits wide gravel
  • tires as well
  • 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
  • 76 / 176 DB hubs with center locking interface
  • XDR driver body option
  • Lock ring included
  • Lifetime Warranty 

Tire Pressure Information

The 303 S has a max tire pressure of 72.5psi (5 bars).

 

 

Zipp

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