In an era of heavier vehicles, rising torque loads and ever-larger wheel diameters, the tyre-wheel assembly (TWA) has quietly become one of the most critical systems influencing vehicle safety, durability and perceived quality. Yet for most consumers, it remains entirely invisible. According to Luc De Bruyne, OEM tyre-wheel assembly R&D specialist in the Department of Manufacturing and Innovation at Eurofit, that invisibility is precisely why the industry underestimates its importance.

Based in Zaventem, Belgium, the company operates as a high-precision service supplier for tyre–wheel assembly, focused on passenger cars and light trucks in the European market. It runs a network of 16 factories, supported by around 900 employees, and delivers a full set of assembly and logistics services. With an annual capacity of roughly 20 million tyre–wheel assemblies, production is supplied to more than 25 OEM locations across Europe.

From an OEM perspective, De Bruyne argues that tyre-wheel assembly can no longer be treated as a simple fitment task. “Due to the increase of load and power transmission of the cars, a correct seating of the tyre bead is more sensitive. The increased bead tension can result in a damaged tyre during mounting, which isn’t visible at the outside. A damaged bead can result in leakages and low-pressure during driving, which is a high risk of a safety issue during high-speed driving. In other words, what appears externally acceptable may already be compromised internally,” he explains.

This growing complexity is not adequately addressed by existing standards. While ETRTO, ISO, ASTM and JASO regulate individual components, there is no global standard governing the assembled wheel. In practice, this means quality depends heavily on internal OEM processes. As De Bruyne notes, “A TWA assembler must mount the components together with no damages to the product and the lowest level of risk of vibration on the car.” To achieve this, Eurofit and its partners develop internal process references with machine suppliers, such as mountability and integrity tests used to qualify new wheels. When a non-OK status is detected, suppliers are informed, and if no solution is found, components may be replaced entirely.

The business is structured as a longstanding 50:50 joint venture between Michelin and Continental, established in 1996. This partnership combines the technological depth, quality standards and global experience of two of the world’s leading tyre manufacturers. The JV structure underpins strong process discipline, continuous improvement and long-term stability for OEM customers.

The technical challenge intensifies as wheel sizes increase and tyre profiles become lower. Larger diameters bring not only harsher ride characteristics but also tighter tolerances across mounting, uniformity and balancing. De Bruyne outlines a suite of measures now required for high-performance wheels: checking rim run-out and match points to filter supplier deviations; guiding the tyre bead diagonally to reduce mounting forces; matching components to lower total uniformity (TU) levels; optimising bead seat geometry; measuring complete wheel run-out to achieve what he calls the ‘perfect circle’ and correcting balance through final audit controls linked to vehicle sensitivity. The payoff is clear – less vibration of a wheel results in a longer lifetime of the tyres and suspension system of the car.

The contrast between OEM-assembled wheels and typical aftermarket replacements remains stark. In Europe, De Bruyne identifies two aftermarket models. The first involves high-volume industrial assembly of wheel kits – often winter packages – using processes similar to OEM plants. “We recommend to order wheels from such entity to receive an upper grade quality level compared with the garage machine assemblers,” he says. The second model is the small local tyre shop, where limitations are far more pronounced. These workshops often use grade 2 or 3 tyres rather than the grade 1 tyres supplied to OEMs, apply grease-based lubricants forbidden in Tier 1 environments, rely on manual mounting without force control, inflate tyres without proper bead seat techniques and balance wheels on single machines without controlling clamping-device influence. “The manual mounting approach can result in a higher risk of vibration/sound level of the wheels to the car/driver/passenger,” De Bruyne warns. For OEMs, the objective is clear: the first test drive of a new car must feel fundamentally different from that of a used one.

Electrification has further raised the stakes. Higher torque loads and quieter powertrains mean that any wheel-induced vibration is far more noticeable. “Observation of increase of torque load on cars results in increase of tyre bead tension,” De Bruyne explains, along with higher surface roughness requirements on rim bead edges. Assembly processes now demand stricter control of mounting forces and higher-energy inflation using inflator bells. After inflation, micro bead correction is required to ensure full contact and maximise friction. Lubrication, meanwhile, must leave no residual grease, as this could allow bead slip under extreme acceleration or braking.

Eurofit’s position as an industrial service provider rather than a component manufacturer reflects broader shifts in vehicle production. A generation ago, car manufacturers assembled most parts themselves. “Due to the increase of complexity and need of assembling volume and faster cycle time of cars, a lot of key-assembling activities are outsourced,” De Bruyne says. This has freed space within vehicle plants, increased model variants and created demand for specialist know-how. Tier 1 component suppliers now deliver globally to wheel assembly plants located close to OEMs, enabling just-in-time supply with greater flexibility.

Logistics has evolved accordingly. Classic JIT lines are increasingly supplemented – or replaced – by batch production, sequencing centres and high-bay warehouses. De Bruyne describes specialised processes that keep wheels sequenced all the way to the OEM, including racks and trailers with walking-floor systems for direct unloading. Over the past 20 years, the explosion in variants has driven major upgrades in logistics software and product traceability. Such systems require constant monitoring and rapid deviation management to avoid production stoppages at the customer.

Despite all this, wheel assembly remains largely invisible to consumers – at least for now. De Bruyne believes this may change as EVs become dominant. With fewer vibration sources from engines and transmissions, wheel-induced disturbances move ‘on the horizon’, particularly as XL tyres and extreme sizes – up to 25 inches – enter production. Some manufacturers, he notes, are already upgrading assembly specifications in response to negative customer feedback on ride performance.

Replicating OEM-level quality outside factory environments remains difficult. OEM assemblers must meet manufacturer-specific specifications that are neither public nor economically viable for most aftermarket operations. While some garage-machine suppliers now offer optional TU, run-out and matching functions, De Bruyne is blunt: accuracy, repeatability and production speed remain poor, and costs are high. Where large aftermarket organisations adopt industrial processes for volume reasons, conditions may resemble OEMs, but ‘the difference is the respect of process limits’, which are typically broader and not tied to a single vehicle programme.

Balancing tolerances illustrate the point. OEM plants may work to residual imbalances as low as two grammes, while many workshops accept eight to 15 grammes. Whether a driver notices depends on vehicle sensitivity, but the physics are unforgiving. “Imbalance vibrations can increase very fast when the speed is going up due to the exponential behaviour,” De Bruyne notes. Lower residual imbalance always reduces TU vibration risk.

Automation is transforming the assembly line, yet human expertise remains central. Practical assembler knowledge is increasingly embedded into software, statistical process controls, cameras, sensors and AI systems. “The key-knowledge is the teacher of such equipment and less the production operator on the line,” De Bruyne observes, underscoring a shift from manual skill to process intelligence.

Convincing OEM decision-makers to invest in this hidden discipline relies on data. Carmakers increasingly use market feedback tools, such as J.D. Power studies, tracking performance from delivery through the first year of ownership. This feedback drives Tier 1 suppliers to adjust processes in pursuit of customer satisfaction. Internal rejections between OEMs and wheel assemblers can also trigger upgrades, particularly when Tier 2 suppliers across global plants struggle with consistency. “Over the last 30 years, numerous additional optional processes have been introduced in the wheel assembly industry. While tyre shops may be aware of these processes, the high cost of the required equipment has often made it difficult to turn them into a viable business model,” De Bruyne concludes.

For an industry obsessed with powertrains, software and styling, tyre-wheel assembly may remain out of sight – but, as De Bruyne makes clear, it is increasingly central to how a vehicle feels, performs, and ultimately, how a brand is judged.

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India’s growing importance in the global tyre and rubber industry received a strong endorsement with HF Group announcing a EUR 20 million investment in a new state-of-the-art manufacturing facility in Bengaluru.

The announcement was made during the inauguration of HF India’s new Assembly Hall Unit II, a milestone that reflects the company’s long-term commitment to India and its confidence in the country’s manufacturing future.

The proposed greenfield facility will be developed on a 10-acre site near Bengaluru Airport and is scheduled for completion by 2028. Spread across nearly 20,000 sq. metres, the new factory will be almost four times larger than the current assembly operations and will incorporate digital manufacturing, automation, smart production systems, and advanced engineering capabilities.

The upcoming facility will focus on productivity, precision engineering, sustainability, and smart manufacturing while supporting both the Indian market and HF’s global operations. The investment underlines the company’s confidence in India as a major manufacturing hub for the global tyre and rubber industry.

Ian Wilson, Managing Director & Co-CEO, HF Group, said, “This is not the end of our investment in India. It is perhaps the end of the beginning. India is entering a take-off decade and the economy runs on tyres. We see tremendous opportunities for growth and are committed to investing in the future of the Indian market.”

With more than 175 years of global experience, HF Group has steadily strengthened its presence in India. The journey began in 1995 with the establishment of Indus to serve the growing rubber processing industry. The partnership with HF Mixing Group in 2011 brought global mixing technology expertise to India, while the complete acquisition of the Indian subsidiary in 2024 marked another important milestone in the company’s India strategy.

Today, HF India manufactures and supports a broad portfolio of mixing and rubber processing equipment, including intermeshing and tangential mixers, banbury technology, mills, curing presses, and aftermarket services. The company also offers process support, training, upgrades, inspections, and spare parts under its customer-centric philosophy of ‘Holding the Customer’s Hand.’

Emphasising the importance of customer partnerships, Wilson said, “We are not here simply to sell machinery. We want to hold our customers’ hands throughout the entire lifecycle of their equipment and support them through process optimisation, performance improvements and future growth.”

As HF embarks on its next chapter in India, the new facility represents not only an investment in manufacturing capacity but also a long-term commitment to localisation, technology and customer partnerships.

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TBC Corporation (TBC), one of North America’s largest marketers of automotive replacement tyres through wholesale and franchise operations, has named Ron Harper as its new Chief Supply Chain Officer. He will report directly to President and CEO Don Byrd and assume responsibility for the company’s entire supply chain function.

Harper brings over 26 years of experience steering global supply chains for multi-billion-dollar enterprises. His most recent role was Executive Vice President of Supply Chain at PrimeSource Building Products, overseeing planning, inventory, repack operations, service metrics and analytics. He has also held senior logistics and strategy positions at Sonepar USA, Nordstrom, Samsung SEA, and JCPenney.

The new chief holds a master’s degree in supply chain management from the University of Denver and a bachelor’s in industrial management from Michigan Technological University. His appointment underscores TBC’s focus on strengthening operational efficiency and logistics performance.

Byrd said, “Ron’s depth of experience in building transformative supply chain solutions aligns with our deep commitment to providing customers with the high-level efficiency, product availability and agility they expect from TBC. As market needs change and demands fluctuate, TBC is continuing to respond by having a supply chain strategy that minimises disruptions and maximises efficiency to ensure the highest levels of customer support and satisfaction.”

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The Rubber Board of India has announced the appointment of N Hari as its new Chairman, effective for a tenure of three years. Hailing from Pallikkathode in Kottayam, Kerala, Hari brings considerable experience to the leadership role, having previously served as a Board member representing small rubber growers from the state.

His initial term on the Board commenced on 28 June 2022 and spanned three years. During this period, he also held the position of Executive Committee Member from 7 October 2023 to 6 October 2024. This progression from membership to the executive committee and now to the chairmanship reflects his sustained engagement with the organisation.

His appointment is expected to steer the Board's initiatives in supporting the rubber sector, focusing on grower welfare and industry development across India.

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The Indian automotive landscape is currently undergoing a seismic shift. Driven by the rapid rise of rural urbanisation, an aggressive government push for electrification and the development of world-class road infrastructure, the industry is witnessing a period of robust growth. With sales of both new and used vehicles touching record highs, the demand for high-quality tyres remains in a significant upswing.

At the helm of one of the market’s most prominent players is Rajarshi Moitra, Managing Director of Bridgestone India and Vice-Chairman, Automotive Tyre Manufacturers’ Association (ATMA).

In an interaction with Tyre Trends, Moitra discusses the company’s future-ready roadmap, from its substantial capacity expansions to a ‘sharp and deep’ strategic focus designed to maintain leadership in an increasingly premium and electrified market.

A BULLISH OUTLOOK ON THE SUBCONTINENT

While global economic indicators remain varied, Moitra is unequivocally optimistic about the local trajectory. “The Indian automotive industry is at an exceptionally positive juncture from a medium-to-long-term perspective,” he asserts.

This optimism is grounded in several structural tailwinds that suggest India is slated for very strong growth. Key among these factors is the sheer room for market expansion.

“Firstly, we are still significantly under-indexed in terms of car penetration, with only 50 cars per 1,000 people – well below even some smaller developing nations,” Moitra explains.

Furthermore, the geographical spread of wealth is changing. Bridgestone is observing massive growth in Tier 2, 3 and 4 towns, a phenomenon Moitra attributes to ‘rural urbanisation’.

Bridgestone India estimates a transformative half-decade ahead for the industry. “The number of affordable households – those capable of purchasing a car – will double in India over the next five year. When you couple this with the government’s massive capital outflow into road connectivity and the rise of e-commerce, it creates a very bullish environment for both passenger and commercial mobility,” Moitra says.

THE ‘SHARP AND DEEP’ STRATEGIC PILLAR

Despite India being the world’s largest two-wheeler market, Bridgestone is famously absent from that segment – and intends to stay that way for now. Moitra clarifies that the company’s philosophy is rooted in specialisation rather than horizontal expansion. “At Bridgestone, we believe in being ‘sharp and deep’ in our strategy,” he says.

Currently, Bridgestone India’s business split is heavily weighted towards the consumer segment, with 70 percent of sales coming from Passenger Car Radial (PCR), 25 percent from Truck and Bus Radial (TBR) and 5 percent from Off-the-Road (OTR) segment.

“We see enough headroom for growth within the passenger car segment across products, channels and customer experience, so we are focusing our resources on maintaining our leadership there,” Moitra notes, dismissing any near-term plans to enter the two-wheeler space.

Instead, the company is doubling down on ‘white spaces’ within the consumer car category, specifically targeting higher rim diameters and specialised compounds for Original Equipment Manufacturers (OEMs).

INVESTING IN CAPACITY AND LOCAL INTELLIGENCE

To support this growth, Bridgestone is moving aggressively on the manufacturing front. With current operations running at 90–95 percent capacity, the company is in the midst of a major investment cycle.

At present, the company’s Pune plant has a capacity to produce 4.01 million passenger car tyres and around 693,000 truck & bus radial tyres, while the Indore plant has a capacity to produce 7.11 million radial tyres for passenger cars and light trucks.

“Our last major investment was USD 85 million in October 2024, which is being ramped up in phases through 2029,” Moitra confirms. This capital is being used to scale volumes and enhance technical capabilities at the Indore factory.

The new investment is expected to further add 1.1 million tyre production capacity in Pune by CY2029, thus taking its total production capacity to around 11.1 million units in the country.

“Our strategy is two-fold: we want to be future-ready for market demand while simultaneously sweating our current assets to drive higher efficiency,” Moitra explains. Crucially, this expansion isn’t just about physical output; it’s about local autonomy. Moitra highlights that a ‘very large part’ of procurement is now local, decided by teams on the ground in India.

The launch of a Satellite Technology Centre in 2025 has further decentralised the company’s innovation engine. According to Moitra, this centre plays a pivotal role in increasing local leverage and technical presence, allowing the Indian arm to maintain a balance between local agility and global sourcing.

EVs AND PREMIUMISATION

As the Indian market matures, consumers are demanding larger wheel sizes – a trend Moitra says is led by OEMs. “We are seeing a clear market shift towards higher inches – for example, a car like the Maruti Suzuki Swift moving from 14-inch to 15-inch and others moving from 16-inch to 17-inch,” he observes.

Bridgestone’s ‘all-inch’ strategy covers the spectrum from 12 to 20 inches, but their brand strength is most potent in these premium, higher-diameter sizes.

This premiumisation dovetails with the transition to electric vehicles (EVs). Bridgestone has positioned itself with an ‘EV-ready’ portfolio, exemplified by the Turanza 6i. “It balances long-lasting durability and safety with low noise and comfort – essential for EVs,” says Moitra. To ensure they capture this nascent but fast-growing market, the company expanded the range from 36 sizes in 2024 to 72 sizes by 2025.

The OEM relationship remains the cornerstone of this technological foresight. “The OEM segment allows us to see ahead of the curve regarding future vehicle technologies,” Moitra explains.

At present, 35 percent of their consumer business is OE-based and Bridgestone is in active discussions with many of the newer automotive entrants arriving in India.

While Bridgestone is aggressively expanding its footprint in new tyre technology and premium consumer segments, it is taking a markedly more conservative approach towards the retreading sector in India. Despite the potential for material circularity, the company does not view retreading as a strategic priority for the immediate future.

Moitra clarifies that Bandag, Bridgestone’s global retreading arm, is not currently active in India, and there are no plans to introduce it in the near-term. This decision is driven largely by the unique and challenging dynamics of the local market, which is currently dominated by cold retreading.

He points out that a significant pricing challenge exists when ‘cold retreads versus biased tyres versus some of the cheaper tyres’ are compared, making the business case difficult to justify at this stage. Consequently, Bridgestone has opted to remain focused on its core segments for the next two to three years rather than entering the retreading space.

SUSTAINABILITY AND THE ‘INSTITUTION OF RESPECT’

Beyond the numbers, Bridgestone is attempting to build what Moitra calls an ‘institution of respect’. This involves a heavy commitment to environmental goals. The Pune plant already holds the distinction of being the first carbon-neutral facility in the Bridgestone group.

“Sustainability is a core agenda across our entire value chain,” Moitra explains, noting a public commitment to reduce the company’s carbon footprint by 50 percent by 2030, including Scope 3 emissions. This holistic approach ranges from manufacturing processes to material circularity in the tyres themselves.

Looking ahead, the goal is to protect a dominant market share – currently over 20 percent by volume and 23 percent by value in the passenger car aftermarket. To do this, Bridgestone plans to expand its physical reach by 30 percent over the next five years, building upon its current network of over 4,000 touchpoints.

As the company transitions its branding from the Olympics to Formula E, the focus remains clear: high performance and the next era of mobility. “It’s the perfect platform to showcase our technological edge,” Moitra concludes.

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