Established in 2008, SPIRIT (HK) Sports Co., Ltd. is a specialized helmet manufacturer in China providing comprehensive OEM & ODM services. Our team offers over 18 years of experience serving international brands, backed by a factory with more than 20 years in sports equipment manufacturing.
We develop a wide range of safety helmets—including models for cycling, skiing, motorcycling, and climbing—all engineered to meet major international safety standards such as CE, CPSC, ASTM, and AS/NZS.
As an ISO9001 certified company, we are committed to integrity, quality, and customer satisfaction. We leverage our strong R&D capabilities and professional technical team to deliver the safest protection products to a global market, with primary exports to North America, Europe, Australia, and other regions.
Both carbon fiber and fiberglass are premium composite materials for a motorcycle helmet shell, and each offers distinct advantages. Fiberglass is the workhorse of the high-performance world. It's made from woven glass fibers and resin, creating a shell that is significantly lighter and better at dissipating impact energy than standard polycarbonate. Carbon fiber represents the pinnacle of material technology. It is even stronger and lighter than fiberglass, allowing engineers to build an exceptionally protective helmet with the lowest possible weight. This reduction in weight significantly reduces rider fatigue on long journeys. The choice often comes down to cost and performance targets. Fiberglass offers outstanding performance at a more accessible price point. Carbon fiber offers the ultimate in lightweight performance for riders and brands who demand the absolute best. As a manufacturer, SPIRIT has mastered both materials to serve the full spectrum of the premium market.
A multi-density EPS (Expanded Polystyrene) liner is a sophisticated safety feature inside a high-quality motorcycle helmet that is designed to manage a wider range of impact energies. The basic principle is that not all impacts are the same. A high-speed crash requires a very dense, stiff foam to absorb the massive energy, while a lower-speed fall requires a softer foam that can compress more easily to cushion the head. A multi-density liner uses several pieces of EPS foam, each with a different density, that are strategically placed within the helmet. A manufacturer like SPIRIT might place a very dense layer of EPS near the outer shell to manage the initial, violent impact, with a softer layer closer to the head to provide final cushioning. This layered, engineered approach allows the motorcycle helmet to provide a more optimized response to different crash scenarios, offering a superior level of protection over a single-density liner.
Selecting an OEM manufacturer for your motorcycle helmet brand is a decision of utmost importance. Your primary criterion should be verifiable expertise in safety certifications. A prospective partner must demonstrate a deep understanding and proven track record of manufacturing helmets that meet DOT and, ideally, the advanced ECE 22.06 standards. Ask to see their in-house testing facilities; a serious manufacturer like SPIRIT will have one. Second, evaluate their materials expertise. Can they expertly handle advanced composites like fiberglass and carbon fiber? Third, assess their engineering depth. Inquire about their experience with aerodynamics, ventilation, and multi-density EPS liners. Finally, choose a partner who understands the gravity of the product. With nearly two decades of experience, SPIRIT combines technical mastery with a profound sense of responsibility for rider safety, making us the ideal partner to build your brand's reputation.
The widely recommended 5-year replacement rule for a motorcycle helmet is based on the gradual degradation of its protective materials over time, even with no impacts. The comfort liner and inner padding break down from exposure to sweat, hair oils, and cosmetics. More importantly, the glues and resins used in the helmet's construction can be weakened by UV light and environmental factors. While the outer shell may look fine, these unseen materials lose their effectiveness over time. Furthermore, helmet technology and safety standards are constantly improving. A new helmet purchased today will likely offer better protection than one made five years ago. For these reasons, all major helmet manufacturers, including expert OEM partners like SPIRIT, strongly advise riders to invest in a new, certified motorcycle helmet every five years to ensure they have the highest level of protection available.
Both are critical safety standards, but they differ in their testing methodologies. The DOT (Department of Transportation) FMVSS 218 standard is mandatory for any motorcycle helmet sold in the USA. It focuses heavily on impact absorption and penetration resistance. ECE (Economic Commission for Europe) 22.06 is the latest, more comprehensive European standard. It includes a wider range of impact tests at different velocities and angles, tests for rotational forces, and assesses peripherals like visors. A manufacturer like SPIRIT with expertise in both can produce a helmet for global markets.
The outer shell is typically made from one of three material types. Polycarbonate is a tough, effective, and cost-efficient material. Fiberglass composite shells offer a significant step up in strength and light weight, as the interwoven fibers are excellent at distributing impact forces. The premium choice is Carbon Fiber, which provides the highest strength-to-weight ratio, resulting in an exceptionally strong yet incredibly lightweight motorcycle helmet. The inner, energy-absorbing liner is almost always a multi-density EPS (Expanded Polystyrene).
There are three primary types. The Full-Face helmet offers the most comprehensive protection, with a fixed chin bar providing full coverage. The Modular (or Flip-up) helmet is a hybrid, offering the coverage of a full-face but with a chin bar that can be hinged upwards. The Open-Face (or 3/4) helmet provides coverage for the top, back, and sides of the head but leaves the face exposed. The choice depends on a rider's preference for safety, convenience, and riding style.
At SPIRIT, the OEM process for a custom motorcycle helmet is a rigorous, engineering-led partnership. It begins with your brand's design, performance targets, and desired certification (DOT/ECE). Our R&D team then develops the shell structure, multi-density EPS liner, and aerodynamic profile to meet those goals. We create prototypes for fit, finish, and extensive in-house pre-testing in our impact lab. Once the design is validated, we manage the entire production process, from composite shell layup to final assembly and official third-party certification.
At high speeds, aerodynamics is crucial for rider comfort and safety. A well-designed motorcycle helmet will cut through the wind cleanly, reducing lift and buffeting that can cause significant neck fatigue. This is achieved through shell shaping and features like spoilers. Ventilation is equally important for comfort, especially on long or hot rides. A system of intake and exhaust vents creates airflow over the scalp, wicking away heat and moisture, which helps the rider stay focused and comfortable.
The generally accepted rule is to replace your motorcycle helmet every five years, or immediately after it has been in a crash or dropped from a significant height. Over time, the materials in the helmet, such as glues, resins, and the comfort liner, degrade due to exposure to sweat, UV light, and the environment. Most importantly, the impact-absorbing EPS liner is designed for a single impact; once it has done its job by crushing, it will not offer the same level of protection again.
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