Arai Tour-X 4 Diamond White Motorcycle Helmet

Infinity Price: £449.99 

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Arai Tour-X 4 Motorcycle Helmet

Arai have made the Tour-X 4 to be an adventure helmet that can tackle any condition no matter how extreme. The outer shell has been redesigned to be stronger and tougher. The Super fibre laminate construction of the outer shell works alongside the triple density inner shell to protect against impacts and shock. This is invaluable for when riding off-road where falling is a big risk due to bad terrain. Arai’s hyper ridge that reinforces the bottom of the shell for added strength and rigidity.

The ventilation system has also been redesigned for even better performance. Vents on the chin and brow provide a fresh supply of cool air evenly into the helmet. But this air doesn’t just fill the helmet to make it warm and stuffy. The ventilation on the top of the helmet uses diffusers to exhaust air out of helmet. This means you’ll stay cool and comfortable even if the temperatures rise.

If you are a rider who wants a helmet that will stand up to anything you throw at it the Arai Tour-X 4 is perfect for you.


  • Outer shell constructed from laminate Super Fibre for great protection
  • The Inner shell is made with multiple densities for added shock absorption
  • Arai’s hyper ridge reinforces the bottom of the shell for increased rigidity
  • Chin and brow vents provide a fresh supply of air which is then exhausted by the rear vents and diffusers to keep you constantly cool and comfortable
  • Emergency Release System designed to remove the helmet quickly in the event of an accident
  • Peak visor designed to push cool air into the forehead vents keeping you cool
  • Relief points on the peak visor are made to reduce buffeting at high speeds
  • Peak visor is removable to modify the helmet as you decide
  • Arai’s Facial Contour System are a set of cheek pads that offer spring action for added comfort and makes putting the helmet on easier

The Arai Difference
You might be wondering why anyone would pay over 500 for an Arai helmet that meets the same standard as a 50 lid. It's a question we are asked in our branches practically every day. The answer is simply that "Arai Helmets are different!".

Different how?

From the off, Arai is not a corporation run by a board of directors who are only interested in profit. Arai is currently run by Akhito Arai, who took over from his father, Michio, who in turn took over from his father, Hirotake, the founder of Arai Helmets. Honour is important in Japanese culture, so the Arai family name on every helmet is a good indicator that there hasn't been any corner cutting!

In Europe, crash helmets need only pass CE-2205 to be deemed safe enough to be sold as protection. All Arai helmets pass this test, and any other test, worldwide. It's important to be clear that they don't just "meet" the required standards, Arai helmets exceed these standards.

Every Arai helmet is handmade and goes through three quality control departments, one after the shell is made, one after paint and graphics and another after assembly. When you have finished with your Arai, before you throw it away, take it apart and look inside the shell - there's a stamp in there, signed by everyone who worked on the helmet, so that quality control can be tracked through every step of manufacturing. Note that this quality control applies to every Arai, not every tenth or hundredth. This is part of the reason why Arai has offered a 5 Year Limited Warranty for the last 15 years. Arai were the first to offer comfort features like removable cheek pads, different interior shapes and liners in different thicknesses for a custom fit.

Arai are the only brand to have been ranked as number one in the J.D. Power Motorcycle Helmet Customer Satisfaction survey which is now in it's twelth year.

The bottom line is that wearing an Arai helmet will make you feel more comfortable and safer, for hours on end, day after day, long after a cheap helmet has got so uncomfortable and draughty that it has been replaced.

All branches of Infinity Motorcycles have staff who have been trained by Arai to help you buy the right helmet. We are also Arai Five Star dealers and service UK supplied Arai helmets, and we have a huge range of helmets in stock from other manufacturers so you can compare. If you would rather buy online, you can do so with confidence thanks to our 7 day helmet exchange policy.

Shop our full range of Arai Motorcycle Helmets

Delivery Costs.

To find the delivery costs for an item simply place the item in your basket. Our delivery costs for most items are based on each item's size and weight. Delivery and handling estimates that appear in the basket are calculated with our lowest cost delivery method.

Free Shipping on Orders Over £25

Orders to UK Mainland addresses over £25 (i.e. excluding Highlands and Islands) will be sent with free carriage.

Free Shippping To Other Destinations.

Orders will be shipped free of charge to areas other than the UK when the order total is over:
UK Highlands and Islands: £100
Europe Zone 1 - e.g. Eire, France, Germany £250
Europe Zone 2 - e.g. Greece, Poland £400
USA, Canada, Australia - £800
Items Shipped outwith the EU will include a form which can be used to claim back approx 10% V.A.T. Unfortunately this excludes BFPO addresses. Please note, V.A.T. is not applied to crash helmets.

Delivery Times

We aim to deliver UK Mainland orders in 3-5 working days, however if we have to place a supplier special order, delivery may be slightly longer. If the item ordered is out of stock we will contact you with the option to wait, choose an alternative or cancel the order.


Delivery of orders is by DPD or Royal Mail, all methods will require a signature for proof of receipt.

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