Imagine riding on sleek carbon clinchers that not only look stunning but also keep a constant eye on your tire pressure. That’s exactly what Zipp is offering by integrating its TyreWiz sensor right into the 353 NSW and 303 NSW carbon wheelsets. No more bulky valve-stem gadgets or fiddly attachments—this sensor lives inside the rim bed. It’s lightweight, low-profile, and designed to work with both tubeless setups and TPU-compatible inner tubes.
With a built-in TyreWiz sensor, Zipp claims you’re getting the first-ever wheelset offering real-time pressure monitoring without adding any extra accessories. The sensor reads pressure data and transmits it via Bluetooth, so you can track it on your preferred head unit or smartphone app. For riders chasing every last gram and every drop of performance, this integration is a game-changer.
How It Works
Inside each rim sits a tiny 15-gram module powered by a standard CR2032 button cell. It wakes up with a gentle shake—no more draining power while you’re parked. Shake your wheel, and the sensor springs to life, scanning tire pressure and instantly transmitting data. The design keeps things simple: precision monitoring without the need for wire taps or extra weight.
Once active, the TyreWiz sensor continuously broadcasts tire pressure data to any compatible Bluetooth device. That includes popular GPS cycling computers like Hammerhead Karoo and Wahoo units, as well as SRAM’s own AXS app on your phone. Now, instead of stopping mid-ride to eyeball a gauge, you’ve got live pressure readings right in your cockpit.
Green, Red, No Mistakes
One of the coolest features is the built-in LED indicator on each sensor pod. Once you set your ideal target pressure or an acceptable range in the AXS app or on your bike computer, the LED turns green when you’re in the sweet spot and red when you’re off. No more second-guessing whether you’ve pumped enough air or worrying about subtle leaks over long rides.
On compatible cycling computers—those with Bluetooth connectivity—you can even watch both front and rear pressures in real time. This dual-wheel monitoring is especially handy on gravel or mixed-terrain rides where ideal pressures can vary between the wheels. If the front feels squirmy on loose sections, you’ll know immediately and can fine-tune next time without playing tire roulette.
Shake to Wake and Hit the Road
To conserve battery life, the sensor stays asleep until it’s jostled. A quick bounce or spin is all it takes to wake the system. Zipp’s engineers chose this method after testing countless power-management strategies. The result is months of life from a single CR2032, so you won’t be popping batteries every week.
During inflation, forget about constantly checking your pump’s gauge. Pump up your tire, watch the LED glow red until you hit your pre-set threshold, and then celebrate when it turns green. It’s infinitely more intuitive than squinting at tiny numbers and trying to remember your target PSI. Plus, because it’s integrated, you don’t risk cross-threading or damaging little valve-mounted sensors.
Why It Matters
Sure, it might seem like a bit of a gadget, but precise tire pressure can make or break your ride. Too soft and you risk pinch flats and sluggish rolling resistance; too hard and you lose traction and comfort. With an integrated sensor, that perfect middle ground is always in sight. You’ll know exactly how your tires are behaving and can make informed choices about pressure adjustments for your next adventure.
That said, this system won’t auto-inflate or bleed air for you—you’ll still need to stop, break out a pump or CO2, and adjust manually. But for dedicated racers, gravel grinders, and everyday riders obsessed with consistency, having real-time data at your fingertips is a serious upgrade. At roughly the same weight as a conventional wheel, the Zipp 353 NSW and 303 NSW with integrated TyreWiz bring performance monitoring into the 21st century without the downsides of add-on accessories.
Available now as complete wheelsets with your choice of front and rear widths, these carbon designs spotlight Zipp’s commitment to innovation. Whether you’re hammering cobbles or chasing Strade Bianche glory, you’ll ride with confidence knowing your tire pressure is dialed in—even when the pavement gets rough.
