Zipp 404 S A1 CL Carbon rear wheel
Product information "404 S A1 CL Carbon rear wheel"
The Zipp 404 S Carbon wheel, featuring a 50 mm aero rim, 23 mm internal width and tubeless technology, offers maximum speed, excellent crosswind stability and efficient performance for road cyclists.
Light, fast, efficient: the Zipp 404 S Carbon rear wheel, weighing just 838 g
The 404 S has been developed for ambitious road cyclists who want to benefit from modern aerodynamics and high efficiency. The rim shape, inspired by Firecrest wheels, improves airflow and ensures confident handling even in challenging wind conditions. Thanks to the wide rim design, modern tyres can be ridden at lower pressures, optimising comfort, grip and rolling performance. High-quality Sapim CX-Sprint spokes and the tried-and-tested 176D hub technology ensure direct power transfer and reliable durability.

Features – Zipp 404 S Carbon Rear Wheel
- WorldTour-level aero performance – The newly developed 50 mm Firecrest profile delivers outstanding aerodynamics and saves up to 2 watts of power compared to the previous model – whilst maintaining high stability in crosswinds.
- Optimised for modern road tyres – The 23 mm-wide inner rim allows the use of tyres between 28 and 39 mm wide at lower air pressures, improving rolling resistance, comfort and control on a wide variety of road surfaces.
- Lightweight, efficient and responsive – With a system weight of just 838 g, high-quality Sapim CX-Sprint spokes and the tried-and-tested 176D hub set with 36 engagement points, the 404 S offers a direct and dynamic riding experience.
Product features
- Application: Aero
- Model: 404 S A1
- Rim diameter: 28 " / 700C
- ETRTO: 622 mm
- Rim profile: Symmetrical
- Tyre interface: Hookless/Tubeless Straight Side (TSS)
- Rim type: Folding tyre (tubeless only)
- Tubeless Ready: Yes
- Hub type: 176D
- Rim height: 50 mm
- Spokespacing: 23 mm
- Axle system: 12 mm thru-axle
- Mounting width: 142 mm
- Number of spokes: 24
- Spoke pattern: Two-cross
- Valve hole: Presta / SV Ø 6.5 mm
- Braking system: Centre Lock disc
- Spokes: CX-Sprint
- Nipples: Sapim Secure-Loc
- Maximum system weight: 115 kg (rider weight + bike + kit)
Freewheel body (select variant)
- Shimano HG
- SRAM XDR
Material
- Rim: Carbon
- Hub body: Aluminium
- Spokes: Stainless steel
- Nipples: Aluminium
- Freewheel body: Aluminium
Weight
- approx. 838 g
Contents
- 1 x Zipp 404 S A1 CL Carbon rear wheel
- 1 x tubeless tape
- Tubeless valve
- Manufacturer number: 00.1918.803.000
Paasbosweg 14
3862 ZS Nijkerk
Netherlands
[email protected]
https://www.sram.com
Zipp 404 S A1 CL Carbon rear wheel
The Zipp 404 S Carbon wheel, featuring a 50 mm aero rim, 23 mm internal width and tubeless technology, offers maximum speed, excellent crosswind stability and efficient performance for road cyclists.
Light, fast, efficient: the Zipp 404 S Carbon rear wheel, weighing just 838 g
The 404 S has been developed for ambitious road cyclists who want to benefit from modern aerodynamics and high efficiency. The rim shape, inspired by Firecrest wheels, improves airflow and ensures confident handling even in challenging wind conditions. Thanks to the wide rim design, modern tyres can be ridden at lower pressures, optimising comfort, grip and rolling performance. High-quality Sapim CX-Sprint spokes and the tried-and-tested 176D hub technology ensure direct power transfer and reliable durability.

Features – Zipp 404 S Carbon Rear Wheel
- WorldTour-level aero performance – The newly developed 50 mm Firecrest profile delivers outstanding aerodynamics and saves up to 2 watts of power compared to the previous model – whilst maintaining high stability in crosswinds.
- Optimised for modern road tyres – The 23 mm-wide inner rim allows the use of tyres between 28 and 39 mm wide at lower air pressures, improving rolling resistance, comfort and control on a wide variety of road surfaces.
- Lightweight, efficient and responsive – With a system weight of just 838 g, high-quality Sapim CX-Sprint spokes and the tried-and-tested 176D hub set with 36 engagement points, the 404 S offers a direct and dynamic riding experience.
Product features
- Application: Aero
- Model: 404 S A1
- Rim diameter: 28 " / 700C
- ETRTO: 622 mm
- Rim profile: Symmetrical
- Tyre interface: Hookless/Tubeless Straight Side (TSS)
- Rim type: Folding tyre (tubeless only)
- Tubeless Ready: Yes
- Hub type: 176D
- Rim height: 50 mm
- Spokespacing: 23 mm
- Axle system: 12 mm thru-axle
- Mounting width: 142 mm
- Number of spokes: 24
- Spoke pattern: Two-cross
- Valve hole: Presta / SV Ø 6.5 mm
- Braking system: Centre Lock disc
- Spokes: CX-Sprint
- Nipples: Sapim Secure-Loc
- Maximum system weight: 115 kg (rider weight + bike + kit)
Freewheel body (select variant)
- Shimano HG
- SRAM XDR
Material
- Rim: Carbon
- Hub body: Aluminium
- Spokes: Stainless steel
- Nipples: Aluminium
- Freewheel body: Aluminium
Weight
- approx. 838 g
Contents
- 1 x Zipp 404 S A1 CL Carbon rear wheel
- 1 x tubeless tape
- Tubeless valve
- Manufacturer number: 00.1918.803.000
Paasbosweg 14
3862 ZS Nijkerk
Netherlands
[email protected]
https://www.sram.com
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