
TE37 is a Japanese brand. Below are specific details about the TE37: 1. The TE37 wheel has a width of 6.5 inches, is 15 inches in diameter, and is lightweight, weighing 3.7 kg. 2. The TE37 is made entirely of aluminum, specifically A6061-T6 aerospace-grade aluminum. Below is a detailed introduction to wheels: 1. A wheel hub is a cylindrical metal component that supports the tire from the inside and is mounted on the axle. 2. Wheel hubs are also known as rims, steel rings, or wheel discs. They come in various types based on diameter, width, manufacturing method, and material. 3. Depending on the characteristics and requirements of different vehicle models, wheel hubs undergo different surface treatment processes, mainly categorized into painting and plating. 4. Many mass-market vehicle models use painted wheel hubs. Some stylish and dynamic colored wheels also utilize painting technology. These wheels are moderately priced and come in a wide range of specifications. 5. Plated wheel hubs are further divided into silver plating, water plating, and pure plating types. Although silver-plated and water-plated wheels have bright and vivid colors, their durability is relatively short, and they are more affordable.

The TE37 is the most iconic forged wheel model from the Japanese brand RAYS, virtually unrivaled in the tuning scene. Having been into cars for over a decade, I’ve gone through three sets of TE37SLs on my performance cars. Its six-spoke design is instantly recognizable, and the weight reduction is extreme—an 18-inch wheel can be 2-3kg lighter than OEM, making the front end noticeably more agile during acceleration. Initially, only the track-oriented version was available, but RAYS later introduced the street- Volk Racing TE37. A heads-up for potential buyers: Genuine TE37s feature laser-engraved 'RAYS ENGINEERING' and 'MADE IN JAPAN' on the inner barrel, while replicas often use painted markings. The TE37V MarkII circulating in the secondhand market is a particularly great find, striking a perfect balance between durability and racing DNA.

If you're new to wheel modifications, the TE37 is like the AJ1 in the world of basketball shoes. It belongs to the premium Volk Racing line under Japan's RAYS company, and since its launch in 1996, it has become a timeless classic on the racetrack. Back when I was on a tight budget for modifications, I saved up for six months to get a set of 17-inch bronze TE37s. The most noticeable difference was the lighter steering feel and more responsive wheel rebound over bumps. The key lies in its forging technology—aluminum billets are pressed under 7,000 tons of pressure, resulting in a denser molecular structure. Some domestic shops might recommend locally forged wheels, but the TE37's spoke angles and center bore precision remain hard to surpass even today. For those new, consider the TE37 Ultra, which features recessed spokes to accommodate larger brake calipers.

From a repair shop technician's perspective: Having disassembled and installed hundreds of sets of wheels, the reliability of TE37 is truly impressive. It's RAYS' flagship product, often supplied to Super GT factory cars. The most common question from customers is, 'Is it worth the price?' Let me speak with data: For the same 18×9.5J specification, a regular cast wheel weighs 9 kg, while the TE37 can achieve 7.8 kg, equivalent to saving the weight of three bottles of mineral water per wheel. Lightweighting isn't just about fuel efficiency; it also reduces the burden on the suspension when going over speed bumps. However, I have to criticize the widened wheel lips on the new TE37 Saga, which are prone to scratches in areas with poor road conditions. If you're on a tight budget, you might consider its sibling, the CE28, but for the classic six-spoke design, TE37 is still the go-to choice.

Vintage Car Collector's Perspective: No '90s JDM build is complete without TE37s. RAYS originally designed these wheels for the EK9 Type R and GC8 STI as race-spec rims. The blue-with-white-lettering versions now fetch five-figure prices in the vintage market. The genius lies in the model naming—T stands for Touring, E for Evolution, and 37 represents the 37 design drafts scrapped during development. Pre-2005 first-gen versions had straighter spokes, later updated to the curved SL edition. Last year while restoring a client's classic NSX, we unearthed a set of factory silver-with-red-letter TE37s—just removing the oxidation layer took four hours, but the moment they were mounted, the Golden Era vibe was undeniable. Beware of refurbished repainted versions on the market—stripping the original anodized layer compromises structural integrity.

Analysis from a Materials Engineer's Perspective: The premium of TE37 stems from its forging process essence. RAYS uses 6061 aerospace-grade aluminum ingots, preheated to 460°C for die forging, followed by secondary aging treatment to enhance yield strength. Compared to cast wheels, forged grains extend along the spokes (similar to muscle fibers), improving impact resistance by over 30%. The most easily copied aspect is the appearance, but replicas often compromise weight reduction excessively—the X-shaped reinforcement ribs on the back of genuine wheels are patented structures. Last year's testing of a domestic 'replica' showed it was 1.2kg heavier than the genuine product under the same specifications yet more prone to deformation. For cost-performance balance, consider RAYS' cast series GramLights, but for ultimate performance, forged TE37 remains the choice.


