Experience Uninterrupted Journeys. Shop the ST-221B Air Pump Today.
Experience Uninterrupted Journeys. Shop the ST-221B Air Pump Today.
Experience Uninterrupted Journeys. Shop the ST-221B Air Pump Today.
Experience Uninterrupted Journeys. Shop the ST-221B Air Pump Today.
Experience Uninterrupted Journeys. Shop the ST-221B Air Pump Today.
Experience Uninterrupted Journeys. Shop the ST-221B Air Pump Today.
Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator
  • Portable Tyre Inflator

keatonmills Portable Tyre inflator

4.8/5 (253 reviews)
$100.49 $156.99 SAVE 36%

WIRELESS

COMPACT

The one thing every driver, rider, and adventurer wishes they had sooner. Don't let a flat tyre stop your plans. The TyrePump ST-221B is compact, wireless, and fast — whether you're in a 4WD on a dirt track, commuting on an e-scooter, or loading up the caravan for a weekend away.

  • Rapid Tire Inflation

  • Advanced Digital Pressure Gauge

  • Built-in LED Emergency Light

  • Ultra-Portable Design
Three-in-one Wireless Air Pump
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2-Year Warranty Included

Certified Safety Standards

100% Satisfaction Guaranteed

Details

The one thing every driver, rider, and adventurer wishes they had sooner.

Don't let a flat tyre stop your plans. The TyrePump ST-221B is compact, wireless, and fast — whether you're in a 4WD on a dirt track, commuting on an e-scooter, or loading up the caravan for a weekend away. If it holds air, we've got you covered.

Cars, 4WDs, caravans & trailers

E-scooters, bikes & motorcycles

Wireless — no cords, no hassle

Fast inflation, every time

Materials + Care

Crafted from aerospace-grade aluminum and high-density polymers, the ST-221B is built for durability and precision. Wipe clean with a soft, dry cloth. Avoid abrasive cleaners.

Shipping + Returns

Orders are processed within 24 hours. Enjoy complimentary express shipping on all ST-221B purchases. Returns are accepted within 30 days for a full refund.
LIMITED TIME OFFER

Launch Special

Now Save $40 on Your Keatonmills Air Pump Our Launch special Ends Soon.

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Our product in use
INNOVATION DRIVEN

Discover Amazing Features

The TyrePump ST-221B is engineered for peak performance and reliability, ensuring you're always prepared for the road ahead. Its intuitive design and powerful capabilities redefine convenience.

Wireless operation for ultimate freedom

Precision digital pressure monitoring

Automatic shut-off at desired PSI

Integrated emergency lighting

Join

Thousands of Confident Drivers

Peace of Mind

Felt more secure on long drives

89%

Time Saved

Inflated tires faster than expected

87%

Effortless Use

Found the device incredibly easy to operate

97%

Reliability

Trusted the ST-221B in emergencies

98%

The TyrePump Advantage

Why settle for less when you can have the best? The ST-221B Air Pump sets a new standard in portable tire inflation.

TyrePump Others
Wireless Operation
Digital Display
Automatic Shut-off
Compact Design

30-Day Risk-Free Trial

Your Satisfaction, Guaranteed.

We are confident in the unparalleled performance of the ST-221B Air Pump. If you're not completely satisfied within 30 days of purchase, simply return it for a full, no-questions-asked refund. Drive with confidence, or your money back.

Real Journeys, Real Confidence

#KeatonMillsST221B #NeverStranded

@seriesexplorer_anna

compact and powerful. Keeps my car ready for anything. Love the portable design

@familyadventures

A must have for family road trips why more worrying about tire pressure lol. highly recommend

@classiccarman_enthusiast

The digital gauge is fantastic. A device that delivers

@troy_4banga

real quiet compared to those super cheap Pumps, way quicker to.

Frequently Asked Questions

How long does it take to inflate a tire?

Inflation time varies based on tire size and desired pressure, but the ST-221B is designed for rapid inflation, typically topping off a standard car tire in under 3 minutes.

Is the ST-221B Air Pump truly wireless?

Yes, the ST-221B operates completely wirelessly thanks to its powerful integrated rechargeable battery, providing ultimate convenience and portability.

What vehicles is it compatible with?

The ST-221B is perfect for cars, motorcycles, bicycles, and even sports equipment. It comes with multiple nozzle attachments to fit various inflation needs.

Does it have an automatic shut-off feature?

Absolutely. You can preset your desired PSI, and the ST-221B will automatically stop inflating once that pressure is reached, preventing over-inflation.

How do I charge the device?

The ST-221B can be easily charged via a standard USB-C cable (included) from any compatible power source, such as a car charger, wall adapter, or power bank.