The 303 S Zipp wheel gives today's cyclists the versatility they demand with the speed they want. 45mm rim depth, ideal for any terrain, with a significantly wider internal width (23mm) to provide greater performance and ride quality in almost every measurable way. Road bikes are more versatile than ever, regardless of the road surface , but as fast as before. The 303 S offers a completely new profile and rim design to optimize rider performance on this new generation 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.

- New Zipp graphics and new identity
- The fastest with 28mm tyres, also suitable for wide gravel tyres
- The wide rims optimize the profile of the tire to allow for lower pressure, especially with tubeless. The result is a larger contact patch or increased grip for safe cornering, descending and handling in wet conditions
- Lower tire pressure and larger volume ensure a smooth ride with less vibration
- Significant Watt savings when using larger tires at lower pressure
- Intended use: Gravel, road bike, cyclocross
- Wheel size: 28" (ETRTO: 23-622)
- Standard Center Lock disc
- Internal channel width: 23mm
- External channel width: 27mm
- Height: 45mm
- 24 holes
- Thru axle: 12x142mm
- Spokes: 24 x Sapim CX Sprint J-Bend (black)
- Recommended width: 25-55 mm
- Maximum system weight: 115 kg (rider, bike, clothing and possibly bags)
- Finish: matte UD carbon
- Weight: 830g