ZIPP 404 S A1 - 00.1918.803.003 / 00.1918.803.004

ZIPP 404 S A1 Wheel - 00.1918.803.003 / 00.1918.803.004 - 2026

The ZIPP 404 S A1 rear wheel - white is designed for cyclists who want to gain speed, efficiency, and performance on the road. With its 50mm profile, it offers excellent aerodynamics while remaining versatile enough for long rides, fast training sessions, and hilly courses.

Its hookless carbon rim with a 23mm internal width allows for the mounting of Tubeless Ready tires from 28 to 39mm. This design promotes lower tire pressures, optimized rolling resistance, and better bike control, especially on rough roads or long distances.

Built with 24 Sapim CX-Sprint spokes in a 2-cross configuration and equipped with the Zipp 76/176 hub with 36 points of engagement, this rear wheel offers efficient power transmission, good responsiveness and reliable construction for sporty road use.

Performance carbon rear wheel

50 mm rim profile

The 50mm profile provides a significant aerodynamic advantage on the road. It makes it easier to maintain speed on rolling sections, during accelerations, and on long, fast stretches.

Aerodynamic design

The Zipp 404 S features a performance-oriented design inspired by the brand's high-end road wheels. It aims to offer a fast, modern, and more accessible wheel within the S collection.

Stability and control

Despite its aerodynamic profile, the rim height remains sufficiently controlled to maintain good stability when crosswinds are present.

Tubeless performance

Hookless carbon rim

The hookless design is intended for use with compatible Tubeless Ready tires only. It represents a modern approach to tubeless road tire mounting.

Internal width of 23 mm

The 23mm internal width allows the use of 28 to 39mm tires. This contributes to improved comfort, grip, and performance depending on the tire choice and pressure.

Optimized pressures

Tubeless setup allows you to ride at lower pressures, in order to obtain optimal rolling resistance and better control on different types of roads.

Hub and engagement

Zipp Hub 76/176

The rear wheel is equipped with the Zipp 76/176 hub, renowned for its reliability and performance on the road.

36 points of engagement

The 36 engagement points offer a quick response during accelerations, changes of pace and pedaling phases after freewheeling.

24 Sapim CX-Sprint spokes

The assembly with 24 Sapim CX-Sprint spokes in a 2-cross configuration provides rigidity, reliability and efficiency to the rear wheel.

Center Lock Braking

The rear wheel is compatible with Center Lock discs, for simple and efficient mounting on road bikes with disc brakes.

Technical specifications

• Brand: Zipp
• Model: 404 S
• Product type: Carbon road rear wheel
• Use: road
• Rim: hookless tubeless carbon
• Diameter: 700c
• Rim profile: 50 mm
• Internal width: 23 mm
• Tire compatibility: Tubeless Ready only
• Recommended tire width: 28 to 39 mm
• Braking: Center Lock disc
• Shelving: 24 shelves
• Spokes: Sapim CX-Sprint
• Spoke assembly: 2 crossings
• Hub: Zipp 76/176
• Engagement points: 36
• Advertised weight: 916 g

Recommended use

• Road
• Sports training
• Quick exits
• Cyclosportives
• Rolling and hilly routes
• Improving the performance of a disc brake road bike

Why choose the Zipp 404 S rear wheel?

• Fast and versatile carbon rear wheel
• 50 mm aerodynamic profile
• 23 mm internal width suitable for modern road tires
• Compatible with Tubeless Ready tires from 28 to 39 mm
• Zipp 76/176 hub with 36 engagement points
• Assembled with 24 Sapim CX-Sprint spokes
• Center Lock disc brakes
• Advertised weight of 916 g
• Good balance between speed, efficiency and control
• Ideal for upgrading a disc brake road bike