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A modern classic

The all-new Zipp 303 SW expands on the 303’s heritage of all-road capability by setting a bold new standard in design and technology. The all-new Zipp AXS Wheel Sensor brings SRAM AXS integration and in-wheel tire pressure monitoring to our pro-proven 303 platform.

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Zipp 303 SW Wheels with integrated Zipp AXS Wheel Sensors

AXS connectivity

The 303 SW rim internally integrates the Zipp AXS Wheel Sensor for accurate on-bike tire-pressure monitoring. It allows you to monitor and analyze tire pressure in real-time without an external device mounted to the valve stem. Fine-tuning tire pressure helps riders optimize speed and performance in an ever-changing riding environment.

Before you ride, check your pressure immediately; green light means good to go. During the ride, monitor pressure to dial in your ideal setting and detect issues early.

SRAM AXS LED flashing slowly in green

Slow green flashing

Tire pressure is within normal/suggested range, get out and ride!

SRAM AXS LED flashing slowly in red

Slow red flashing

Low tire pressure is detected. Think about adding some air.

SRAM AXS LED flashing quickly in red

Fast red flashing

High tire pressure is detected. Think about letting some air out.

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Design evolution


The 303 SW’s 40mm deep rim design takes design cues from the gravel-specific 303 XPLR to utilize a wide rim design for high aero efficiency and low rolling resistance on a wide tire platform designed for modern riding at lower tire pressures. The rim’s profile provides low drag and an improved transition between rim and tire, boosting aerodynamic efficiency with wider tires.

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Refined capability


A revised carbon layup and design also infused the already bombproof 303 SW with an almost 10 percent improvement in impact strength at a light weight. The 303 SW is optimized for tires 30 to 35mm in width. The 303 SW rims feature a refined shape that helps shield the tire in an impact that would otherwise cause a pinch flat. At the center of this is the ZR1 hubset, which now has stainless steel bearings for improved durability and smoother performance.

Rider pedaling into sunset on Zipp 303 SW equipped road bike

Superior speed

The Zipp 303 SW brings superior speed to all roads, no matter the surface. Steeped in Zipp’s legacy of innovation, the 303 SW is a modern classic. Buy now at shop.sram.com.

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