Tyre testing is not a new concept. In fact, is there any industry that can do without tests? However, what tyre testing does bring into consideration is an umpteen number of factors – everything from the road wear to the certification, the testing spots and, of course, the different types of testing and the very tyres themselves. Discussing these very aspects with Tyre Trends, Ismo Halén, Vice President at BD Testing Inc, spoke about Black Donuts, the subjective and objective views of tyre testing, the convenience of BD Testing having its own indoor testing facility and more. Read on…

The name Black Donut is self-explanatory, making it rather individualistic. A tyre resembles a donut and is black in colour – simplicity at its best. Black Donuts offers a range of solutions for tyre product development and testing, tyre factory construction, plant process design and process development. Therefore, Black Donuts has many business areas, and one of them is service in product development. When it comes to testing, Black Donuts owns 90 percent of another company, BD Testing Inc, which is into tyre testing and high-end customer service. Plus, Black Donuts also happens to be one of BD Testing’s customers.

BD Testing’s customers
When we caught up with Ismo Halén, Vice President at BD Testing Inc, he told us, “Black Donuts designs new tyres and new tyre models or improves existing tyres. That’s why they need testing in order to support the product development. Black Donuts Engineering was founded in 2011, and we were a test team within the company in the beginning. However, we separated in 2012 into an individual company, and now we have separate management and everything else that’s individually ours. We don’t have anyone from Black Donuts working at BD Testing. They are only one of our customers.”

And as customers, they can always decide who tests their tyres. “For instance, Black Donuts can use BD Testing for product development testing because we understand each other. However, the customer can  reach out to other companies to test their tyres as well. For example, when a product is finished, customers usually make homlogation tests somewhere else,” Halén explained.

When it comes to customers/clients, Halén mentioned that it’s not exactly easy to acquire new clients. However, he added, “I’m happy because we already have so many customers that even if somebody doesn’t order anything that others do, we are still in a very good situation.” When turning to his plans on approaching any Asian manufacturers, he responded that while they don’t have any plans for Asia, they would consider going there if there are proving grounds that can be used or rented.

BD Testing’s various focus areas
BD Testing goes beyond this and also issues certification. It has a quality system and is accredited for some R117 tests. “This includes rolling resistance, wet grip, noise measurement and snow performance,” Halén mentioned and continued, “Earlier, we would do wet grips, noise measurements etc. But just one year ago, we started focusing more on winter testing. We now conduct snow and ice tests for the label, which comes under the R117 tests. Additionally, we provide technical service to The Netherlands Vehicle Authority (RDW). RDW will issue many types of approvals for many tyre manufacturers, and we can conduct snow tests for them.”

“Furthermore, in Nordic countries, we use studs in the tyre, which has to be approved. Besides, we make road wear testing for studded tyres, which needs mandatory approval from the Finnish Transport Safety Agency, TRAFI,” Halén further explained.

Making it work
As far as testing and tyres go, BD Testing does both indoor and outdoor testing and is currently focusing on winter testing, winter tyres and studded tyres (conducting only product development tests for summer tyres). However, because the business is open all year, the winter tests are held in ice halls during the summer, Halén shared. As for snow testing, the indoor tests are conducted in Ivalo and Sweden.

However, most big tyre manufacturers conduct the majority of their tests themselves. Yet, that doesn’t stop a company like BD Testing. There are certain factors in testing that tyre manufacturers can’t carry out themselves and thus have to turn to the likes of BD Testing.

“For example, with road wear testing, it isn’t something they can do by themselves,” Halén asserted and added, “There are only five laboratories that can do that, and we are one of them. Similarly, indoor testing and snow testing is something they may not want to do – it’s a long way to travel and they don’t have the capacity to do so, which is where we come in.”

Indoor testing and outdoor testing
Speaking of indoor testing, it is the easier one to conduct over outdoor testing, Halén claimed. But since handling driveway in itself involves the car being built outdoors, there’s no choice over there, he informed.

What’s more, Halén asserted that usually they don’t test the same things indoors and outdoors – the two aren’t competing and are individual. “Their requirements too are different. But as for product development, some indoor testing is needed, like footprint or contact presser, which gives the designers a lot of information,” he enlightened.

BD Testing would, however, like to have its own indoor testing facility where tests can be conducted whenever needed. “Although, as of now, we have to rent for indoor testing, which can sometimes be fully booked,” Halén cited and added, “In fact, we want our own indoor testing facility that we can rent to other customers as well. However, it’s a huge investment and is too big for us at the moment.”

Objective and subjective testing
Another challenge that Halén spoke to us about, besides having an indoor testing facility, was in terms of manpower, where getting testing drivers is a challenge right now. When asked about the thought process behind selecting a testing driver (since the testing can be very subjective, from driver to driver), Halén highlighted that it’s the experience that plays a role. “And then, the drivers drive together and decide what works and what doesn’t. While these drivers do subjective tests, they, of course, also conduct objective tests. However, objective testing is easier, because you only have to know how to make the test,” he added.

Halén further said that with robots and automation, it’s possible that subjective testing will eventually get reduced in the future. “But in my opinion, with subjective driving, if a driver drives with a set of tyres, then we have a huge amount of information,” he pointed out. “Therefore, it’s a very fast way to have lots of information. If you try to have the same information with the help of machines, you’ll need several machines and it takes a long time. And if you need to analyse data, it takes a long time to develop a new methodology.”

A happy customer equals a successful company
While Halén gave us his clear visions in terms of BD Testing and the tyre testing industry as a whole, he also threw light on the company’s preparation for new regulations. “Additionally, we are focusing on what we are currently doing, targeting for higher quality and making our customers happy,” he expounded and added,
“Our strategy for that is based on the quality system we have. We have very close contact with our customers, so we try to understand what they need. Hence, I’m not trying to sell something to somebody if they don’t need it. Thus, I think our customers come to us themselves when they need something. So, ultimately, customer happiness has been our key to success.”

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Giti Tire recently hosted an immersive event at its Hefei R&D Centre for its distributor and dealer network, moving far beyond a simple meeting to deliver a hands-on masterclass in future mobility. The core experience was a guided tour through Giti's Innovation Hub, where specialised zones deconstructed the entire tyre development journey. Partners witnessed firsthand the advanced materials, EV-specific engineering and rigorous motorsport-grade testing processes that form the foundation of Giti's collaborations with leading global automakers.

The event physically manifested this innovation with two pivotal showcases. Guests received a rare, hands-on examination of the Giti Flexcore (Airless) Technology, a concept designed for ultimate safety and sustainability by eliminating punctures. Furthermore, they experienced the cutting edge of automotive performance firsthand by entering the cabin of the YANGWANG U9X, a premier electric supercar, engaging directly with its advanced technology and premium construction.

This carefully curated experience was designed to demonstrate how Giti meticulously engineers, challenges and validates ideas long before production. By providing this transparent look into their technological ecosystem, Giti reinforced its role not just as a supplier but as a strategic partner invested in shared growth. The event served to align the network with the brand's forward trajectory, firmly establishing Giti’s commitment to co-shaping the future of mobility through tangible innovation and deepened collaboration.

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Michelin has launched a specialised tyre engineered to meet the rigorous demands of modern high-capacity mine and quarry loaders. The MICHELIN Xtra Power L5** 26.5 R25 tyre focuses on delivering durability and enhanced productivity in the most challenging operational environments while also prioritising operator comfort. This new size expands Michelin’s portfolio for loaders, building upon the earlier MICHELIN Xtra Power L5*** 35/65 R33 launched in 2021.

The tyre is built to handle complex applications, from face work and block handling to forestry transport and high-speed operations that impose extreme stress. It responds to the industry trend towards larger vehicles with bigger buckets, offering a substantial load capacity increase of up to 18.5 tonnes – a 23 percent improvement over the previous generation.

Key technical advancements underpin its performance. Engineers developed an innovative structure with a curved design and optimised rubber block support to minimise contact surface stress and boost protection. Reinforcements in the tread and shoulders improve damage resistance, while a larger bead heel enhances torque transmission and helps prevent rim slip, reducing premature wear.

Constructed to endure abrasive soils and aggressive surfaces like stone and rock, the tyre facilitates movement across varied terrain, supporting greater machine productivity. Its new tread design and unique rubber compound contribute to this robustness. Additionally, the design incorporates strengthened crown and protective layers with added metal for superior damage resistance.

For long-term cost efficiency, the tyre is designed to be retreadable, helping fleet managers optimise operational expenses. Operator safety and comfort are further enhanced by its capability to operate at pressures up to 7.5 bars, improving machine stability by 20 percent even during intensive loading cycles.

Clifford de Jager, CES Technical Manager, Beyond Road – Mining, Construction, Material Handling at Michelin, said, “At Michelin, we are always adapting and developing our products to ensure they match the needs of the latest machinery on the market. The MICHELIN Xtra Power L5** 26.5 R25 can handle the most challenging working environments while delivering optimised load capacity and improved torque transmission in a stable, comfortable and safe manner.”

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Hankook Tire is all geared up to showcase the prowess of its racing tyres as the ABB FIA Formula E World Championship arrives at the Miami International Autodrome for the 2026 Miami E-Prix. The event, serving as Round 3 of Season 12, marks the series' first World Championship race at this iconic venue, albeit on a shorter, 2.32-kilometre layout crafted for Formula E's distinct performance characteristics. This new circuit configuration around Hard Rock Stadium presents a balanced technical challenge, demanding optimal tyre performance in rapid warm-up, traction on corner exit and stability under heavy regenerative braking.

The temporary nature of the circuit, blending permanent asphalt with repurposed stadium grounds, ensures a weekend of significant track evolution. As the surface rubberises, grip levels will change, particularly in high-load areas, making consistent tyre behaviour a critical factor for success. Teams will rely on predictable temperature build-up and dependable grip to execute qualifying strategies and manage energy efficiency throughout the race. Central to meeting this challenge is Hankook's iON Race tyre, engineered to provide strong adhesion and precise handling while maintaining the crucial low rolling resistance required in the all-electric championship.

This motorsport engagement is a cornerstone of Hankook's premium brand advancement in the region, running parallel to its role as a Founding Partner of the Tomorrow Golf League (TGL). Beyond the track, the Miami event will be a full spectacle, featuring a vibrant festival atmosphere with live entertainment, interactive fan experiences and local food offerings. With the home crowd supporting US-linked teams like Andretti and DS PENSKE, and a new circuit testing every component, the E-Prix is set to be a defining event, powered by the technology within Hankook's tyres.

Manfred Sandbichler, Senior Director, Hankook Motorsport, said, “Miami is the type of venue that immediately raises the technical stakes. With a Formula E layout making its first championship appearance at the Miami International Autodrome, teams arrive without the usual backlog of race-weekend references. That places even greater importance on tyre consistency, traction stability and temperature control. We’re looking forward to seeing the iON Race support close, high-intensity racing as Formula E brings its street-racing character to Miami.”

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Pirelli has launched the latest summer tyre for SUVs, the new Scorpion, representing a comprehensive evolution of a line first introduced in 1986 for high-driving-position vehicles like the legendary Lamborghini LM002. Today, the Scorpion name encompasses a broad family of products, including SUV, motorcycle and bicycle tyres. This newest iteration is engineered to deliver safety, comfort and lasting performance, specifically tailored to the demands of modern Sport Utility Vehicles.

The development process leveraged advanced virtual engineering, with Pirelli’s Milan-based R&D team evaluating over 20 technological variants of compounds and tread patterns using proprietary mileage-prediction tools. Driving simulators further optimised handling and dry performance before physical validation, which confirmed significant improvements over the preceding generation. This integrated design approach yielded a tyre that excels across key metrics. It has earned the TÜV institute’s Premium Quality Mark, ranking first in independent dry braking and wet handling tests while also leading in wet braking and straight-line aquaplaning. The entire launch range achieves the top European Class A rating for wet grip, along with Class A/B for acoustic comfort and Class B for rolling resistance, ensuring consistent performance across summer temperatures.

To address the unique challenges of SUVs, such as increased weight and a higher centre of gravity, Pirelli incorporated dedicated technical solutions. The tyre features a reinforced carcass and structure, wider central tread blocks and an optimised profile that promotes uniform pressure distribution and reduces shoulder deformation. This design promotes even wear, making it ideal for heavier vehicles. The updated tread compound, which shares innovative materials with the acclaimed latest-generation Cinturato for saloons, ensures stable performance, improved wet grip and excellent mileage. Furthermore, a new groove geometry in the tread pattern enhances both handling and noise comfort.

The new Scorpion is already offered in 16 sizes ranging from 18 to 22 inches. It incorporates technologies like Elect, which can extend the range of electric and plug-in hybrid vehicles by up to 10 percent through solutions designed for their specific powertrain characteristics. Building on a legacy of over 300 homologations for the Scorpion summer range, this new generation, developed in collaboration with leading car manufacturers, already has more than 40 homologations in progress.

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