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Tyre pressures are typically between 30psi and 40psi (or 2 bar and 2.8 bar). How to test your tyre pressure As it stands though I’m more likely to reach for my more convenient battery-powered pump when it comes to squeezing a few extra PSI into my tyres. RTC400 Digital Tyre Inflator. Able to inflate a tyre in 3.5 mins by selecting the pressure measurement you'd like and then pressing the on/off button. Shows pressure readings in kPA, PSI and bar. I’ve used it to top up car and motorbike pressures and once to seat a stubborn tubeless tyre on a mountain bike. I like the screw-on fittings and long hose but generally think a digital gauge is easier to use than an analogue one. It’s a hefty bit of kit, but super speedy and surprisingly quiet. To complement its cordless tyre inflator range, lighting and accessory giant, Ring, has introduced the RTC4000 to fill a gap in the market for a compact, yet powerful and high quality cordless tyre inflator for cars and motorbikes.
The pressure is usually shown in two formats: bar and psi. There are typically two sets of these. The lowest is for normal use, but you may well see another set of higher pressures for when the car is heavily loaded, increasing the weight that’s pushing down on the tyres.Comes with a 3-piece adaptor kit for small inflatables such as sportsequipment and Presta bike valves. If you want to be equipped for every flat tyre eventuality, the VonHaus Cordless Tyre Inflator has you covered. It will run for up to ten minutes from the supplied 1.5A lithium-ion battery, but if you forget to charge it you can always switch to the bundled 12V adaptor, which comes with an unusually generous 3.5m cable. It has a small, but still readable, digital pressure meter. And you can just set your desired pressure, pull the trigger and let it go to work: it will stop when it reaches the right level.
Nothing: Light-weight, powerful, independent - It pumps up vehicle tyres, bicycle tyres and footballs (adapter included), wherever you are, and whenever you need it. How to use this item: Smart storage case allows you to charge the inflator whilst still in the bag; with storage for cable To help drivers save time, this tyre inflator also has a memory function, so the user can save different tyre pressures and activate them easily from the home screen, and it also has an auto-stop feature so there’s no risk of over inflating the tyre, which can be as dangerous as an under inflated tyre. With its innovative design and impressive features, the Ring RTC4000 Cordless Tyre Inflator confidently makes its mark as a versatile and powerful ally in any tyre maintenance routine. This cordless tyre inflator is a combination of efficiency and user-friendliness, turning tyre care from a mundane task into an effortless endeavour. Freedom and FlexibilityThe Ring RTC2000 Cordless Handheld Tyre Inflator is a small rechargeable tyre inflator that's designed for topping up car tyres and inflating bicycle tyres, footballs (and the like) and even inflatables. It's light in weight (at roughly 500g) and comes with a two piece adaptor kit for sports equipment and Presta bike valves. There's an LED light and it also acts as a powerbank function if need be.
Other than road rescuers, this would suit camping and caravanning supremely well, where you’ve got a bit of extra space to carry it and perhaps a leisure battery to hook it up to. Ring could extend its usefulness by offering this pump with a couple of different power leads though. If it was easy enough to fit a three-pin plug for example, I’d happily leave this handy unit set up in my garage. Size is probably the most important thing. The smallest inflators are around 20 x 20cm, so you can leave them in your car without losing too much luggage space. The best don’t skimp on the length of the power lead and air hose, which makes it easier to reach all four valves. Most can be preset to stop inflating when your tyre reaches the correct pressure. It’s noisy, dishing out 77dB in operation. And the pressure gauge can be difficult to read since, because it goes up to 250psi, that crucial 0 to 60psi zone is crammed into the first quarter of the dial. However, it pumped up our test tyre from 20 to 30psi in just under two-and-a-half minutes, with no fuss or faff. It’s a shame that the supplied accessories are so basic – just a ball inflator and two adaptors for inflatable toys – still, if you’re looking to spend as little as possible, then the Storm Force Mini does the job. Given most people are used to tyre inflators being the size of a kids lunchbox with wires and cables, this small handlheld design might come as a surprise. It's about the size of a standard 50cl bottle of water and not much different in weight either. To charge it up took about three hours when it first arrived and since then we've been charging it up between uses. Naturally, tools such as these need to be as convenient as possible, and as space can be limited in cars, and especially with motorbikes, Ring has ensured that this tyre inflator is as compact as it can be, which also means it’s light, so it’s easy to move around the vehicle and top up the tyres. Additionally, there are multiple LED lights on the tool, so inflating tyres can be done at any time.
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In the box you get the inflator as well as a carrying bag and a bottle cage attachment so you can carry it on your bike. The unit is charged via a standard USB cable that's supplied. We timed how long it took to inflate a 15-inch tyre from 20-30psi, noting the pressures displayed before and after, plus the ambient and working noise levels. We also timed adding 5psi to a space-saver tyre, to bring it up to 60psi.
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