TyreWiz – Real Time Tyre Pressure Monitoring

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Quarq, the SRAM division that brought you the ShockWiz, has just announced TyreWiz, which promises to offer the same kind of precise tuning and real-time monitoring as ShockWiz offers for forks.

As the bit of your bike that actually contacts the ground, tyres are the only thing that stops you from sliding off into the bushes and, once you’ve fitted your tyres, pressure is the only variable.

But how accurate is your pressure gauge? Quarq argues that most gauges are based on century old technology and reckons that its own gauge is accurate to 0.1PSI with +/- 2% variation. That’s pretty precise.

“Tyre choice and tyre pressure are the most underrated factors in cycling performance and comfort today,” said Jim Meyer, founder of Quarq. “Riders have more choices than ever when it comes to tyre and rim design. There’s a challenge in finding the right combination of those things, and we’re making those choices based on gauge technology that hasn’t changed much since the 19th century. Real-time tyre pressure monitoring technology isn’t new, and we believe it should be on every bicycle to make the riding experience better.”

Once installed, TyreWiz relays tire pressure data to a cycling computer or a smartphone every second. The TyreWiz app provides personalised recommendations and pressure alerts. For the first time, riders will have the ability to use highly accurate real-time information to make decisions that can affect rolling resistance, traction, tire wear, and rider comfort.

They’ll be sold as a pair and each one only 10g. The unit is compatible with removable Presta core valves in tube or tubeless tires, including those with sealant.


TyreWiz (we’re interested to see that they use the English spelling of ‘tyre’) will begin shipping worldwide on June 27 with a retail price of €259 in Europe and £229 in the U.K.

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Comments (12)

    Is it April 1st again already?


    Yeah, i often notice when my front tyre is down in pressure by 100 Pa and my bike becomes completely un-rideable and hence i fail to get my Enduro on properly……..

    How will this not get gunked up instantly with tyre sealant? Replaceable filters?

    A solution to a problem that doesn’t exist.

    The geek in me was interested up until the price. It’s 10x what I’d consider paying for such a device.

    So it updates to your smart phone, which you will need to get out and look at to see if you need more or less air. Or do you ride with the smart phone on the bars showing you your real time pressures as you ride ?

    Does it come with an adapter for a beach ball?
    I need an expensive gadget to optimise beach fun as well.

    Oh I can just see the Gwinn stopping halfway through a run because his pressure has gone to sh*t, NOT!!

    How long is it?
    It looks like hitting a bump while it’s at the bottom will either kill it or it will spike through the tyre.

    Who actually buys this pointless shit!?!?

    What a waste of time, invent something useful!

    I actually think this is something useful for a change. Tyre pressure makes such a difference to performance on different types of terrain. Its my number 1 thing to faff with. It could also potentially save you a lot of money if it alerts you of a slow puncture half way down a rocky decent and saves you ruining an expensive tyre and/or rim. But it is way too expensive – I might consider paying £100 for this.

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