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BBS RIA Forged Line Exclusive Wheels Not all finishes may be available on all wheel fitments. Please call and talk to a Competition Motorsport custom wheel specialist at (844) 438-7244. We'll make sure you get the set of wheels you've always wanted at a price no one can beat. BBS RIA Forged Line Exclusive Wheels are one piece die forged aluminum wheels designed and produced in the BBS Motorsports department. BBS uses a patented milling process inside the spoke area coupled with FEM analysis to optimize the weight for each wheel. FEATURES One-Piece Die Forged Aluminum Wheel BBS Patented Milling Process inside the spoke area Weight optimized by FEM analysis. WHEEL WEIGHTS 18x8.5: 18.0 to 18.5 lbs. 18x9.0: 18.5 lbs. 18x9.5: 18.5-19.0 lbs. 18x10.0: 19.4 lbs. 18x10.5: 19.5 to 20.2 lbs. 18x11.0: 20.0 to 21.0 lbs. PLEASE NOTE While many popular fitments are stocked and ready to ship, some fitments are made to order, increasing lead times. Check with a Competition Motorsport wheels specialist for a complete quote and estimated lead time. "PFS" centerbore designation means the wheel comes with the BBS Precision Fitment System. Prices and weights are per wheel.

BBS RS-GT Two-Piece Wheels Call and talk to a Competition Motorsport custom wheel specialist at (844) 438-7244. We'll make sure you get the set of wheels you've always wanted at a price no one can beat. These Forged Line Multi-Piece wheels by BBS are die-forged to offer exceptional weight savings through industry-leading FEM analysis without compromising design or build quality. Every wheel in this series includes titanium fasteners and the rim sections are machined using a patented process specifically designed to reduce weight. Available in a wide range of sizes, finishes and bolt patterns the BBS Multi-Piece Series has something for everyone. FEATURES Two-Piece Die Forged Aluminum Wheel Titanium Fasteners Rim sections machined using a BBS Patented process to reduce weight Weight optimized by FEM analysis WHEEL WEIGHTS 18" diameter: 20.0 to 24.5 lbs. 19" diameter: 20.8 to 24.4 lbs. 20" diameter: 23.0 to 24.1 lbs. PLEASE NOTE While many popular fitments are stocked and ready to ship, some fitments are made to order, increasing lead times. Check with a Competition Motorsport wheels specialist for a complete quote and estimated lead time. "PFS" centerbore designation means the wheel comes with the BBS Precision Fitment System. Prices and weights are per wheel.

BBS SR Design Line Wheels VARIOUS APPLICATIONS IN CLASSY DESIGN Sporty and stylish with various applications. Soft radii and contours from the hub to the flange enable easy wheel cleaning which is especially practical in winter. Incredibly stylish on the road in either Volcano Grey Diamond-Cut or Himalaya Satin Grey, with spokes that continue through to the hub bore for a large, open appearance. The style is pure, distinctive BBS. The Design Line SR wheels by BBS are a one-piece counter pressure cast wheel with FEM optimized weight savings. Available in a wide range of sizes, finishes, and bolt patterns, the BBS Design Line has something for everyone. CLICK HERE FOR SR APPLICATIONS WHEEL WEIGHTS 16-inch: 19.2 to 20.0 lbs. 17-inch: 22.9 to 24.0 lbs. 18-inch: 24.6 to 26.1 lbs. 19-inch: 28.2 to 29.9 lbs. While many popular fitments are stocked and ready to ship, some fitments are made to order which can increase lead times. Please check with a Competition Motorsport wheels specialist for a complete quote and estimated lead time. "PFS" centerbore designation means the wheel comes with the BBS "Precision Fitment System".

BBS SX Design Line Wheels THE INNOVATIVE NEWCOMER IN FRESH DOUBLE-SPOKE DESIGN Thia one-piece newcomer with a fresh double-spoke design and BBS design elements is produced exclusively in Germany. The SX wheel is manufactured using the low-pressure casting process, and is available in brilliant silver and crystal black (special-effect paint)  with a General Operating Permit (German abbreviation: ABE) for a variety of vehicles. In addition, for the first time there are ECE fitments – and thus Europe-wide registration-free – wheel applications in 17 and 18 inches in the program. Compatibility with standard tire pressure monitoring systems, a special coating and the unrestricted suitability for snow chains ensure enjoyment of the product. CLICK HERE FOR A FULL LIST OF SX APPLICATIONS Available in these dimensions: 17 x 7.5 18 x 8.0 19 x 8.5 20 x 9.0 Design Line wheels by BBS are a one-piece counter pressure cast wheel with FEM optimized weight savings. Available in a wide range of sizes, finishes and bolt patterns the BBS Design Line has something for everyone. Not all finish options may be available on all fitments, and some finish options will increase wheel cost. Please call us for a proper quote for wheels customized to your specifications. WHEEL WEIGHTS 17-inch: 24.6 to 25.3 lbs. 18-inch: 28.4 to 29.3 lbs. 19-inch: 29.9 to 31 lbs. 20-inch: 35.3 to 36.3 lbs. While many popular fitments are stocked and ready to ship, some fitments are made to order which can increase lead time. Please check with a Competition Motorsport wheels specialist for a complete quote and estimated lead time. "PFS" centerbore designation means the wheel comes with the BBS "Precision Fitment System".

BBS XR Design Line Wheels TRADITIONAL YET MODERN Traditional yet modern, conservative yet innovative: The new BBS XR blends these extremes into one wheel. With its seven distinctive Y-spokes and classic BBS deeply dished center, the XR re-interprets the traditional design language of Germany’s premium wheel manufacturer in a fresh and modern form. The fourth wheel in the BBS Design Line, the XR can be optionally equipped with the patented Stainless Steel Collision Ring previously reserved for BBS Performance Line wheels. For BBS's anniversary year, the BBS XR is available as a limited edition in elegant satin bronze with an exclusive "BBS est. 1970" center cap. Design Line wheels by BBS are a one-piece counter pressure cast wheel with FEM optimized weight savings. Available in a wide range of sizes, finishes and bolt patterns the BBS Design Line has something for everyone. CLICK HERE FOR XR APPLICATIONS PLEASE NOTE While many popular fitments are stocked and ready to ship, some fitments are made to order, increasing lead times. Check with a Competition Motorsport wheels specialist for a complete quote and estimated lead time. "PFS" centerbore designation means the wheel comes with the BBS Precision Fitment System. Prices are per wheel.

Bell 287 SRV Helmet Shields (Fits K1 Pro, K1 Sport, GP.2 Youth) Bell Helmets 3mm injection molded optically correct polycarbonate face shield. The 287 SRV 3mm shield uses the SRV-1 pivot kit. It is compatible with tear offs and is available in a variety of tint colors. Bell recommends that you periodically change shields for better vision and safety. All shields come with adjustable tear-off posts. Select From the Following Tint Colors: Clear (no tint) Light Smoke Dark Smoke Amber Silver Mirror Blue Mirror Gold Mirror

Bell 2024 Ayrton Senna 1:2 Mini Helmet 30 years after his death, the myth of Ayrton Senna is stronger than ever in our hearts. To pay tribute to the three-time Formula 1 world champion, Bell Racing is launching a special edition mini-helmet designed in collaboration with Senna Brands. The left half of the helmet echoes Ayrton’s famous paint scheme in yellow, green and blue; the right half has a pearl-colored base to emphasize how precious Ayrton’s legacy is to all motorsport enthusiasts. Driven to Perfection Perfectly following Senna’s motto “driven to perfection”, this 1:2 scale helmet, like all Bell Mini-Helmets, features a high level of engineering excellence and high quality materials. The Bell 2024 Ayrton Senna Mini-Helmet was designed by the same team that creates Bell's leading-edge F1 racing helmets. Note: this is a replica helmet for display purposes only and is not certified for any type of motorsports use.

Bell BR8 Sport Helmet SA2025 The Bell BR8 Sport Helmet SA2025 is built for racers who demand adaptability, airflow control, and protection in off-road and dirt racing environments. Designed to handle harsh conditions where dust, heat, and debris are constant challenges, the BR8 combines advanced ventilation engineering with Bell’s proven safety standards to keep drivers comfortable and focused during long sessions and intense competition. Adaptable ventilation for dirt and off-road racing The BR8 Sport Helmet is engineered around a modular forced-air system that allows racers to configure airflow based on vehicle setup, seating position, and race conditions. Using an included air kit system, the helmet can be run in standard configuration or converted to left or right side forced air, left or right three-quarter top forced air, or full top forced air. This flexibility allows one helmet to adapt across multiple vehicles and racing disciplines. Bell BR8 Sport Helmet Key features SA2025 Snell certification for competitive motorsports use Designed specifically for off-road and dirt racing applications Modular forced-air kit system included for multiple airflow configurations Aerodynamic front duckbill to stabilize airflow at speed Rear-facing Venturi exhaust vents to prevent dust intrusion Double Screen Anti-Fog (DSAF) visor insert for consistent clarity Internal air chamber system that evenly distributes airflow around the head Compatible with or without ear cups for communication or noise control setups Lightweight composite shell designed for durability and comfort Ventilation engineered to keep dust out Unlike traditional forced-air helmets that allow debris to enter through exhaust ports, the BR8 uses rear-facing Venturi vents that pull air out while reducing dust ingress. Combined with the internal air chamber system, airflow is evenly distributed regardless of which forced-air configuration is used, preventing hot spots and pressure points inside the helmet. Bell BR8 Sport Helmet SA2025 FAQs Is the Bell BR8 Sport Helmet SA2025 approved for racing competition?Yes. The BR8 meets Snell SA2025 certification requirements, making it legal for most sanctioned motorsports events that require current SA-rated helmets. What types of racing is the Bell BR8 designed for?The BR8 is designed primarily for off-road, dirt, and short-course racing where dust control and forced-air capability are critical. Can the Bell BR8 be used without a forced-air system?Yes. The helmet can be run in standard configuration without forced air or converted using the included kit depending on your needs. Does the Bell BR8 prevent visor fogging?Yes. The BR8 includes a Double Screen Anti-Fog (DSAF) insert that creates a positive seal and significantly reduces shield fogging in varying conditions. Can ear cups be removed from the Bell BR8 Sport Helmet?Yes. The helmet can be used with or without ear cups, allowing racers to customize comfort and communication setups. When you need one helmet that adapts to multiple vehicles, race formats, and airflow requirements, the Bell BR8 Sport Helmet SA2025 delivers flexibility, protection, and comfort built specifically for demanding off-road competition. Bell BR8 SA2025 Helmet Sizing Chart  Add a Competition Motorsport Performance Racing Helmet Bag to your order and keep your new Bell Racing BR8 helmet safe and secure throughout each race weekend. Upgrade your gear with the Bell BR8 Helmet SA2025 and experience uncompromising safety and comfort every time you hit the track. 

Bell BR8 ULTRA Carbon Fiber Auto Racing Helmet Pre-Order Only. Shipping Q2 of 2026. The Bell BR8 ULTRA is a versatile, ultralight carbon fiber helmet built for off-road and dirt track racing. Its configurable forced-air system lets you run standard, left or right side-air, left or right three-quarter top-air, or top-air using the included kit. One helmet, multiple setups—tune cooling and cockpit integration without changing models. Ultimate Performance, Unmatched Safety and Versatility An aerodynamic front duckbill improves high-speed stability. A Double Screen Anti-Fog (DSAF) insert maintains a positive, fog-resistant visor seal across changing conditions. Rear-facing venturi vents help block dust and debris while still allowing forced air to flow freely. A unique internal air-chamber system distributes airflow evenly around the head, and the BR8 can be used with or without ear cups. Bell BR8 ULTRA SA2025 Carbon Fiber Helmet Details Manufacturer: Bell Helmets Manufacturer part no.: 1238B Construction: lightweight carbon fiber shell Interior: dark grey fire-resistant fabric Homologation: FIA 8859-2015 and Snell SA2025 Finish: gloss carbon fiber Front duckbill: included Sizes: 57 cm (7 1/8) to 61 cm+ (7 5/8+) Shield (clear included): Bell SRV-8 Shield pivot kit: Bell SRV-1 Bell BR8 ULTRA SA2025 Carbon Fiber Helmet Key Features Configurable forced-air with included kit: standard, left/right side-air, left/right three-quarter top-air, or top-air DSAF visor insert for a positive, fog-resistant seal and clear vision Rear-facing venturi vents help keep dust out while maintaining airflow Internal air-chamber system distributes cooling evenly around the head Integrated channels for optional drink tube and radio systems Advanced multi-density, multi-piece liner for energy absorption and impact performance Multi-purpose fit system; use with or without included ear cups Interior ventilation channels maximize airflow and comfort Synthetic rubber eyeport gasket helps prevent dirt and water ingress Bell BR8 ULTRA SA2025 Carbon Fiber Helmet FAQs What makes the BR8 ULTRA ideal for dirt and off-road?Its rear-facing venturi vents and sealed DSAF visor help manage dust while the configurable forced-air system keeps fresh air flowing in harsh conditions. Which air configuration should I choose?Select based on cockpit packaging and comfort: side-air for direct flow to the face, three-quarter top-air for visor and crown cooling, or full top-air for evenly distributed cooling. Is the BR8 ULTRA compatible with drink and radio systems?Yes. Built-in channels support hydration tubes and radio cabling for endurance and off-road events. What certifications does this helmet carry?It meets FIA 8859-2015 and Snell SA2025, making it suitable for a wide range of auto racing series. Always confirm event-specific rules. Can I use ear cups with this helmet?Yes. The BR8 can be worn with or without ear cups to tailor comfort, noise control, and comms fit. How does the DSAF system help visibility?The Double Screen Anti-Fog insert maintains a positive seal to reduce fogging and keep the visor clear in variable temperatures and dusty environments. Bell BR8 ULTRA SA2025 Carbon Fiber Helmet Size Chart Get configurable cooling, advanced dust management, and carbon-shell performance in one model. Pre-order the Bell BR8 ULTRA and be ready for the green flag.

Bell Europe 500 TX Open Face Helmet Bell Europe 500 TX Open Face Helmet Features Latest release of the 500 TX helmet Designed in accordance with current FIA and Snell standards Interior made of fire-resistant material Removable sun-peak fitted HANS clips are not included Bell Europe 500 TX Open Face Helmet Size Chart Bell Europe 500 TX Open Face Helmet Details Color: Heritage White Material: fiberglass Homologations: FIA 8859-2015 and Snell SA2020

Bell Forced Air Low Profile Nozzle & Cover Plate The Bell Forced Air Nozzle and Cover Plate adds a genuine Bell Helmets low-profile forced-air nozzle to your HP6 or GT6 helmet. This clear high-impact plastic forced-air kit consists of the following: (1) Forced-air low profile nozzle (1) Cover plate (2) Seal kits Each seal kit contains four pieces of double-sided adhesive tape, two pieces measuring 20 x 80 mm and two pieces measuring 20 x 120 mm.

Bell GP2 Youth SFI 24.1 Helmet The GP2 Youth is a perfect choice for young racers new to the sport. Based on traditional F1 styling, the GP2 Youth offers outstanding value, superior features, and excellent fit in a smaller, lightweight configuration. Purpose-built for children who need a youth helmet that is fire-retardant without the bulk of an adult helmet, the GP2 Youth incorporates the same advanced technology, styling, protection, and performance features developed for Bell’s line of professional racing helmets. The SFI Youth Standard is recognized and accepted by racing and karting organizations including the Quarter Midget Association of America (QMA). Bell GP.2 Youth Kart Helmet Features Lightweight composite shell Advanced multi-density, multi-piece liner to maximize energy absorption and impact performance Integrated channels in face piece offer multiple options to install drink tube and radio systems Superior ventilation with direct flow chin bar, forehead vents, and top vents Rear spoilers, top gurney, and chin bar gurneys available separately Removable and replaceable fit pad and cheek pad system M6 terminals for FHR anchor attachment and homologated for use with approved head and neck devices Synthetic rubber gasket seal to prevent dirt and water from entering the helmet Shield and pivot kit: 287 SRV, SRV-1 Homologation: SFI 24.1 Youth approved Colors: Metallic Silver, Matte Black, White, Orange Sizes: 4XS, 3XS, 2XS, XS Additional Bell GP2 Helmet Shields Available Here Add a Competition Motorsport Performance Racing Helmet Bag and keep your new Bell GP2 Youth Helmet safe and secure throughout each race weekend. Bell GP.2 Youth Kart Helmet Sizing Chart  Bell Kart Racing Helmet – Frequently Asked Questions (FAQ) Remember that safety is paramount in kart racing, and choosing the right helmet and maintaining it properly is essential for your protection on the track. Consult the professionals at Competition Motorsport any time you have specific questions about your racing helmet. What is the best helmet for kart racing?The Bell GP.2 kart helmet is widely considered one of the best entry-level karting helmets with premium features for serious kart racers. Why do I need a racing helmet?Auto and kart racing helmets are essential for protecting your head in high-speed accidents. They also shield against debris and, in some motorsports, fire—making them a non-negotiable safety requirement. How do I choose the right size kart racing helmet?Use a flexible tape to measure the circumference of your head just above your eyebrows and ears. Compare the measurement to Bell’s sizing chart. For more help, read our blog on how to fit your helmet properly at Competition Motorsport. What safety standards should I look for in a kart racing helmet?Look for the Snell K2020 certification for karting. It ensures your helmet meets rigorous standards for impact protection. Unlike DOT (for street use), K2020 is designed specifically for motorsports. Can I use a motorcycle helmet for kart racing?No. Motorcycle helmets lack the kart-specific certifications and features like proper ventilation and impact resistance optimized for karting. Always use a helmet rated for motorsport competition. How often should I replace my kart racing helmet?Replace your helmet every few years depending on usage and the manufacturer's guidance. If it’s been dropped, involved in an impact, or shows signs of wear, replace it immediately. Are expensive racing helmets safer than budget ones?Yes, typically. While both must meet minimum safety standards, premium helmets offer lighter materials, better fit, improved aerodynamics, and enhanced comfort, all of which impact race performance and fatigue. How do I maintain and clean my kart racing helmet?Clean the exterior and interior using a helmet-specific care product like the Molecule Helmet Care Kit. Avoid submerging the helmet or using abrasive cleaners. Visors should be cleaned gently to avoid scratching. Do I need to wear a balaclava under my kart racing helmet?While not required for all karting events, a balaclava enhances comfort, keeps your helmet liner clean, and helps wick sweat. Fire-rated balaclavas are mandatory in sanctioned auto racing and recommended for high-performance karting. Is the Snell K rating important?Yes. The Snell K2020 certification is the most widely accepted kart helmet standard, required by many racing series to ensure safety and performance. Can I wear glasses with my kart racing helmet?Yes. Wide eye ports make it compatible with most prescription glasses and racing eyewear. A good fit ensures the glasses remain stable and fog-free. Are carbon fiber helmets better?Carbon fiber helmets are lighter and stronger, reducing fatigue during long races while offering excellent impact protection. They are a top choice for competitive drivers. Can I use a used helmet for racing?It’s not recommended. Damage or degradation may not be visible, and older helmets might not meet current safety standards. Always buy new from an authorized dealer like Competition Motorsport. How can I prevent helmet fogging during races?Use a visor with built-in anti-fog technology like Bell’s DSAF system, or apply an anti-fog spray or insert. Keeping your helmet well-ventilated also helps. What's the importance of proper helmet ventilation?Good ventilation helps manage heat and moisture inside the helmet, reducing fatigue and keeping you focused throughout your race. How do I store my kart racing helmet between races?Store your helmet in a cool, dry place away from direct sunlight. Use a padded helmet bag like our Competition Motorsport Evo Helmet Bag to prevent damage during transport or storage. What is the difference between Snell K2020 and CMR2016 certifications?Snell K2020 is designed for adult karting helmets, focusing on impact protection. CMR2016 is tailored for drivers under 15, offering a lighter helmet to reduce neck strain while maintaining safety standards. Are tear-off visors necessary for kart racing?Tear-off visors are beneficial in maintaining clear vision during races by allowing drivers to remove a dirty visor layer quickly. They are especially useful in outdoor karting where debris and dirt are common. How do I know if my helmet is still safe to use?Helmets should be inspected regularly for signs of wear or damage. If a helmet has been involved in a significant impact or shows signs of degradation, it should be replaced immediately. Additionally, helmets should be replaced every 5 years, even if no damage is visible. Can I customize my kart racing helmet?Yes, many manufacturers offer customization options for fit and aesthetics. However, any modifications should not compromise the helmet's structural integrity or safety certifications. Where can I buy a certified racing helmet?Buy from trusted experts like Competition Motorsport, online or in-person at any of our retail locations across the USA. We carry all major brands, including Arai, Bell, Stilo, and Schuberth, and support hundreds of racing events across the country.

Bell GT6 Pro Helmet FIA8859-2024 / SA2025 The Bell GT6 Pro is a professional-grade racing helmet designed for serious drivers who demand uncompromising protection and clarity. Featuring dual homologation to FIA8859-2024 and Snell SA2025 standards, this helmet is built for top-level competition while offering the comfort and ventilation needed for endurance events and track days. Advanced safety and performance in one package Dual certification Certified to both FIA8859-2024 and Snell SA2025 standards, the GT6 Pro is approved for worldwide motorsport competition and ready for years of racing to come. Lightweight composite shell Engineered with a strong composite shell construction, the GT6 Pro delivers excellent impact protection while keeping weight down to reduce fatigue over long stints behind the wheel. Optimized ventilation system Multiple intake and exhaust vents maximize airflow through the helmet, helping drivers stay cool and focused even in the most demanding racing conditions. Wide eyeport and anti-fog visor The helmet’s large eyeport provides exceptional field of view, paired with a standard SE06 double screen anti-fog visor for clear vision in every condition. Bell GT6 Pro Helmet FIA8859-2024 / SA2025 FAQs What certifications does the GT6 Pro carry? The GT6 Pro is dual certified to FIA8859-2024 and Snell SA2025 standards, making it approved for a wide range of international and domestic racing series. Does the GT6 Pro support HANS devices? Yes, the helmet comes HANS-ready with integrated anchor points for use with all popular head and neck restraint systems. What visor is included with the helmet? The GT6 Pro includes an SE06 double screen anti-fog visor for superior clarity and fog resistance. Who is the GT6 Pro best suited for? This helmet is designed for professional and amateur drivers competing in FIA or Snell-sanctioned events, as well as track-day enthusiasts looking for maximum protection and visibility. The Bell GT6 Pro FIA8859-2024 / SA2025 delivers world-class safety and professional performance in a sleek, lightweight design — the ultimate choice for serious racers. Bell GT6 Pro Auto Racing Helmet Chart Finally, add the Competition Motorsport Performance Racing Helmet Bag to your order to keep your new Bell GT6 Pro auto racing helmet safe and secure going to and from the track, and throughout each race weekend.

Bell Racing GT6 RD 4C/EC SA2025 Auto Racing Helmet Pre-Order: Shipping in July 2026 IMSA Comms, Hydration, and ZeroNoise® in a Race-Ready Shell Built for serious endurance and GT drivers, the Bell Racing GT6 RD 4C/EC Helmet brings full comms and hydration integration into a track-ready shell without compromise. With its titanium finish, aggressive HP6-derived design, and wide eye port for visibility in tight cockpits, this is the helmet for those who treat every lap like a qualifying session. The GT6 RD 4C/EC is ready for IMSA communication and hydration systems right out of the box—because seconds count, even off the throttle. 4C: Carbon Composite 4 Layer Construction On Bell helmets, “4C” stands for “Carbon Composite 4 Layer Construction.” It refers to the shell technology Bell uses: a 4-layer carbon composite laminate. This blend typically combines carbon fiber with other advanced fibers (like Kevlar® or fiberglass) in multiple layers. The purpose is to deliver a shell that is lighter than fiberglass alone, but more affordable and versatile than Bell’s top-end full carbon HP series shells (like HP7 or HP77 which use pure carbon/advanced aerospace layups). In the case of this Carbon-4C/EC model, the helmet is a Carbon Composite 4-layer shell with EC (electronic comms) kit integration. Bell Racing GT6 RD 4C/EC SA2025 Helmet Features Integrated IMSA Radio & Hydration System: Comes pre-installed with electronics and tubing for plug-and-play connection to your team’s radio and drink system. 4C/EC Carbon-Glass Composite Shell: Lightweight and high-strength, built from premium carbon-glass for optimal energy absorption and all-day wearability in long stints. ZeroNoise® Advanced Electronics: Equipped with high-power speakers, a noise-canceling microphone, and superior sound insulation for crisp in-car communication even in loud environments. Wide Eyeport: Offers exceptional lateral and vertical visibility, ideal for closed-cockpit racing where every degree of vision matters. Track-Proven Ventilation: Strategically placed intake ports can be connected to cooling systems for maximum airflow in hot race conditions. Standards: Dual certified to FIA8859-2024 and Snell SA2025 for maximum track-day and competition eligibility. Bell Racing GT6 RD 4C/EC SA2025 Helmet Size Chart Bell Racing GT6 RD 4C/EC SA2025 Helmet FAQs What’s the difference between the GT6 and the GT6 RD? The GT6 RD includes factory-installed IMSA radio comms and hydration ports, while the standard GT6 does not. Is this compatible with ear buds or over-ear speakers? Yes, the 4C version supports both ear cups and ear buds depending on your personal or team setup. Uses IMSA connections. What is ZeroNoise® and why does it matter? ZeroNoise® is Bell's advanced audio platform, engineered for crystal-clear in-car communication with minimal distortion and maximum driver focus. Can I use this helmet for endurance racing? Absolutely. With comms, hydration, and a lightweight carbon-glass shell, it's made for long hours in the car at high intensity. The Bell GT6 RD 4C is the pro’s choice when comfort, comms, and clarity matter most. From sprint races to 24-hour stints, this helmet brings together titanium-level fit, cutting-edge audio, and pure performance.