Zipp 353 NSW Tubeless Disc Front Wheel

The Zipp 353 NSW Tubeless Disc Front Wheel is Zipp's most technically advanced road wheel — and the first wheel to integrate SRAM AXS connectivity directly into the rim. The Zipp AXS Wheel Sensor is mounted inside the rim itself, not clamped to the valve stem, enabling accurate in-wheel tire pressure monitoring without any external device adding aerodynamic disruption. Before a ride, pull up the SRAM AXS app: a green indicator confirms pressure is in range. During the ride, monitor pressure in real time — catch slow leaks early, track how pressure builds across long descents, and use actual ride data to refine your target pressure over time. For riders already in the SRAM AXS ecosystem, the 353 NSW transforms the front wheel from a passive rolling component into an active sensor in the system.

The rim is where the 353 NSW does its most distinctive engineering work. The Sawtooth profile is an undulating rim shape — depth transitions between 35mm and 40mm as the rim circles the wheel rather than maintaining a single fixed depth. Hyperfoil nodes at the deepest sections generate concentrated aerodynamic benefit, while the variable-depth geometry manages crosswind forces that a flat-sided fixed-depth rim would transmit directly as instability. HexFin ABLC (Aerodynamic Boundary Layer Control) dimples on the rim surface work alongside the Sawtooth profile to keep airflow attached across a wider range of yaw angles — which is what makes this wheel useful in the real conditions road riding happens in, not just in controlled test environments. A revised carbon layup gives this generation of the 353 NSW more than 16% higher rim impact strength than the previous version, a structural gain that matters on a wheel optimized for minimum weight. The rim finish is UD fiber with Zipp's Impress technology.

Zipp's Total System Efficiency (TSE) approach designs rim and tire as a single aerodynamic and mechanical unit. The hookless rim profile works with that principle: a more rounded bead bed allows the tire to form a favorable aerodynamic cross-section and reduces turbulence at the tire-rim junction. The 25mm internal width and 30mm external width are sized specifically around 30mm tires, which Zipp identifies as the optimal match for aerodynamic drag, rolling resistance, and compliance on this rim. Tire compatibility covers ISO/TSS-certified tubeless tires in the 29-35mm range, with a maximum pressure of 73psi. One firm limitation: the 353 NSW is approved for road riding only. Zipp does not clear this wheel for gravel.

The ZR1 SL hub runs custom hybrid ceramic bearings — purpose-built for this application — delivering lower rolling friction and a longer service life than standard steel bearings. The engagement system provides 66 simultaneous contact points, giving immediate, positive drive with no detectable lag between pedal input and forward motion. The ZR1 SL hubset is 30g lighter than the predecessor hub used in previous NSW wheels. Up front, the 353 NSW uses 20 spokes laced to the ZR1 SL with a Centerlock disc rotor interface; the lockring is included. The wheel is built for 12×100mm thru-axles and ships in configurations for SRAM XDR or SRAM/Shimano road driver bodies. The full wheel carries a Lifetime Warranty.

The 353 NSW front wheel is built for the road racer and endurance rider who wants the most complete, aero-optimized, and connected front wheel in Zipp's lineup. The AXS Wheel Sensor integration is what separates this generation from any other high-performance carbon front wheel — and it delivers its full value inside the SRAM AXS ecosystem. For riders committed to that system, the 353 NSW closes the last gap in connected, real-time ride data and does it on a rim that is the culmination of Zipp's aerodynamic and structural development in road wheel design.