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Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559001 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559002 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559003 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559004 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

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Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559006 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559011 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559012 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559013 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559014 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559015 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559016 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

Product image of Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB) SKU:140559021 | Sizes: XS–2X | Designed for Mountain Bike, BMX and E-Bike riders | Available at BTO Sports

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Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB)

Name: Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB)
Brand: Troy Lee Designs
SKU: 140559001
Price: 237.0 USD
Availability: OutOfStock

$237 $395

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Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB)

Qualifier D4 Composite MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Qualifier treatment gives this helmet a more individual feel than a plain solid option. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.

It is shaped for modern off-road mountain biking, with the secure feel, airflow, and coverage riders look for when the route mixes climbing, descending, and repeated hits through rough sections.

Why We Like It: it has the sort of comfortable, confidence-building feel that makes sense for trail laps, shuttle days, and bike-park weekends.

Why It’ll Work for You: It works well for riders who split time between trail loops, enduro stages, and lift-served laps and want one mountain bike helmet that feels ready for all of it.

Variants / Options: multiple sizes and colorways available; check the selector for current stock.

Key Features:

20 high-flow intake and exhaust ports for maximum ventilation
Added eps and new headform shape for improved impact performance
Full incremental sizing for greater range of fitment
Strategically placed interior chinbar shock pads for comfort and durability
Quick-release and contoured 3D cheek pads for emergency helmet removal
Purpose-built internal cavities for audio integration
Stainless steel chinstrap D-rings are light and strong
Includes TLD drawstring helmet sock
Exceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11
Not intended for use with motorized vehicles

Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB)

Selection

XS / White/Green

About Alpinestars

Founded in 1963, Alpinestars has become a global leader in protective gear for motorcycling and motorsports. Known for innovation, their products combine performance, comfort, and safety. From the track to the trail, Alpinestars’ boots, apparel, and protective equipment are trusted by world-class athletes and everyday riders alike.

About Leatt

Leatt revolutionized rider safety with the development of the neck brace in 2001. The brand is dedicated to creating cutting-edge protective gear for motocross and off-road enthusiasts. Their range includes helmets, body armor, and braces, designed to safeguard riders without compromising performance or comfort.

About Fox Racing

Since its inception in 1974, Fox Racing has become a powerhouse in the motocross world. Known for its high-performance gear and apparel, Fox blends innovation, style, and durability. Riders worldwide trust Fox for gear that not only looks great but holds up in the most demanding conditions.

About Bell Helmets

With a heritage dating back to 1954, Bell Helmets is synonymous with safety, performance, and trust. Pioneers in helmet technology, Bell is committed to protecting riders through constant innovation and rigorous testing, making them a top choice for motorcyclists who demand the best.

About Troy Lee Designs

Troy Lee Designs, founded in 1981, brings artistic flair and race-driven innovation to motocross gear. Known for their custom helmets and vibrant designs, TLD pushes the boundaries of style and protection, creating gear that performs at the highest levels while standing out on the track.

About Seven MX

Co-founded by motocross legend James Stewart, Seven MX redefines riding gear with a focus on cutting-edge materials and a modern fit. Their gear is designed for athletes who demand style and peak performance, helping riders push limits while staying protected.

About Fly Racing

Fly Racing has been a staple in the motocross world since 1998, offering high-quality gear that caters to everyone from beginners to pros. Their wide range of apparel and protection is known for durability, comfort, and affordability, making them a go-to brand for riders of all levels.

About Thor

Thor has been pioneering motocross gear since 1968, making it one of the most trusted names in the industry. With a strong heritage in racing, Thor’s gear delivers unmatched durability, performance, and protection, allowing riders to conquer the track with confidence.

About Oakley

Oakley is an iconic brand that fuses technology and style, offering premium eyewear for motocross riders. Known for their high-performance lenses and superior optics, Oakley goggles provide exceptional clarity and protection, ensuring a clear view of the terrain in any conditions.

About 100%

Since the early days of motocross, 100% has been a symbol of performance and innovation. Known for their high-quality goggles and eyewear, the brand inspires riders to give their all, offering products that enhance visibility and comfort on the track and trail.

About Fasthouse

Fasthouse captures the spirit of motocross culture with a blend of retro-inspired designs and modern functionality. Born from the SoCal dirt bike scene, Fasthouse’s apparel and gear pay homage to motocross heritage while delivering the durability and performance riders need today.

About O'Neal

O'Neal is one of the original names in motocross gear, with over 50 years of innovation and design. Their mission is to deliver gear that offers maximum protection, comfort, and style, allowing riders to push their limits whether they’re on the track or trail.

About 6D Helmets

6D Helmets has redefined head protection with its innovative Omni-Directional Suspension (ODS) technology. Engineered to reduce the impact of rotational forces, 6D is at the forefront of helmet safety, giving riders confidence with advanced protection on every ride.

About Shoei

Founded in Japan in 1959, Shoei has earned a reputation for crafting premium motorcycle helmets. Combining hand-made craftsmanship with cutting-edge technology, Shoei helmets are known for their superior fit, comfort, and safety, making them a favorite among serious riders.

About Asterisk

Asterisk leads the industry in knee brace technology, offering riders unmatched support and protection. With years of biomechanical research behind them, Asterisk braces help prevent knee injuries, allowing riders to push their limits with confidence and peace of mind.

About Moose Racing

Moose Racing has been a trusted name in off-road gear and accessories since 1986. Known for durable, high-quality products, Moose Racing outfits riders for every off-road adventure, from protective gear to performance parts that stand up to the toughest terrains.

About FMF

Since 1973, FMF has been at the forefront of performance exhaust systems. Handcrafted in the USA, FMF’s exhausts are designed to boost power and performance while withstanding the rigors of motocross and off-road riding, making them a go-to choice for enthusiasts and pros alike.

About Pod MX

Pod MX specializes in advanced knee braces designed to protect and stabilize the knees of motocross riders. Engineered for maximum support, their braces are trusted by top athletes to prevent injuries and aid recovery, ensuring riders stay in the game longer.

About Gaerne

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About EVS

EVS Sports has been protecting riders for over 30 years with its innovative line of protective gear. From knee braces to body armor, EVS is dedicated to injury prevention, offering riders cutting-edge technology and peace of mind on the track and trail.

About Dunlop

Dunlop is a leading name in motorcycle tires, known for its precision and performance on all terrains. Whether you’re racing motocross or cruising on the road, Dunlop tires offer the grip, stability, and durability riders trust to perform at the highest levels.

About KLIM

KLIM is a leader in premium adventure and off-road gear, offering riders high-performance apparel designed for extreme conditions. Known for their durability, technical fabrics, and innovative design, KLIM outfits those who push the boundaries of exploration and endurance.

About Sidi

Sidi is an Italian brand that has been crafting high-performance motocross boots for over 50 years. Renowned for their fit, protection, and durability, Sidi boots are worn by champions and everyday riders who demand the highest level of performance and comfort.

About Factory Effex

Factory Effex is the go-to brand for custom graphics, seat covers, and accessories that let riders personalize their bikes. With a focus on quality and creativity, Factory Effex helps riders express their unique style while enhancing bike performance and durability.

About HJC

HJC has been producing high-quality helmets for motorcyclists since 1971. Combining advanced technology with affordability, HJC offers a wide range of helmets that deliver superior comfort, fit, and protection, making them a popular choice for riders worldwide

About Acerbis

Since 1973, Acerbis has been a leader in aftermarket plastics and protective gear. Known for their durability and innovation, Acerbis provides riders with essential parts and gear designed to enhance performance and stand up to the toughest off-road conditions.

About Mobius

Mobius is known for creating advanced orthopedic knee braces designed to offer superior protection without sacrificing comfort. Their revolutionary technology provides stabilization and support, helping motocross riders prevent injury and stay on the track longer.

About Pro Circuit

Founded by racing legend Mitch Payton in 1978, Pro Circuit has become synonymous with high-performance exhaust systems and tuning parts. Designed for serious racers, their products are engineered to maximize power and reliability, making them a favorite on the podium.

About Shift MX

Shift MX, founded in 1997, is a bold, fashion-forward brand that delivers high-performance motocross gear. With a focus on innovation and style, Shift creates lightweight, durable products that offer protection and freedom of movement, helping riders express their individuality.

About Arai

Arai helmets are hand-built in Japan with a legacy of uncompromising safety and craftsmanship. Known for their fit, comfort, and advanced protection features, Arai helmets are a premium choice for riders who prioritize safety without sacrificing performance or style.

About Yoshimura

Yoshimura has been a leader in high-performance exhaust systems since 1954. Known for precision craftsmanship and race-proven engineering, Yoshimura exhausts are trusted by top riders for delivering unmatched power, performance, and reliability on the track and street.

About ODI

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About USWE

USWE specializes in creating bounce-free hydration packs that keep riders hydrated without compromising performance. Built for motocross and off-road adventures, USWE packs feature an innovative harness system, ensuring a comfortable, snug fit during the most intense rides.

About Flo Motorsports

Flo Motorsports is renowned for their high-performance motorcycle parts, including footpegs, levers, and handlebars. Engineered with precision and durability in mind, Flo products are designed to enhance control and comfort, helping riders perform at their peak on any terrain.

About OGIO

OGIO is the go-to brand for premium gear bags, backpacks, and luggage. Known for their durability and functional design, OGIO products are built to withstand the rigors of motocross travel, keeping your gear organized and protected whether you’re heading to the track or trail.

About Just1

Just1 Helmets is an Italian brand focused on crafting lightweight, high-performance helmets with superior protection. Their helmets blend cutting-edge design with advanced safety technology, making them a top choice for motocross riders seeking comfort and security on every ride.

About Motion Pro

Motion Pro has been providing innovative tools and controls to the motorsports industry since 1984. Known for their high-quality cables, levers, and specialty tools, Motion Pro products are trusted by professionals and DIY mechanics alike for repairs and upgrades.

About Renthal

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About Scott

Scott Sports is an industry leader in motocross goggles and apparel, known for innovation and high-performance products. Their goggles are trusted by riders for superior optics, protection, and comfort, ensuring clear vision and reliability in the harshest conditions.

About LS2

LS2 Helmets offers an affordable range of high-quality helmets for motocross and street riders. Combining advanced safety features, lightweight materials, and modern designs, LS2 helmets deliver protection and comfort without compromising on performance or style.

About Maxima

Maxima Racing Oils has been manufacturing high-performance lubricants and chemicals for motorcycles since 1979. Known for their precision-engineered products, Maxima is trusted by top racers and everyday riders to keep their bikes running smoothly and efficiently.

About Ride Engineering

Ride Engineering specializes in high-performance motorcycle components, including triple clamps, brake calipers, and suspension accessories. Their products are designed to enhance handling and performance, giving riders a competitive edge on the track.

About Risk Racing

Risk Racing develops innovative products for motocross riders, offering everything from tool kits and bike stands to lighting systems. Their focus on practical solutions helps riders and mechanics simplify tasks and improve performance both on and off the track.

About Twin Air

Since 1972, Twin Air has been the leader in high-performance air filters for off-road and motocross bikes. Known for their durability and superior filtration, Twin Air products protect engines from harsh dirt and debris, ensuring optimal performance in any conditions.

About Forma

Forma Boots is an Italian brand known for their high-quality motocross and adventure riding boots. Combining comfort, protection, and advanced design, Forma boots are crafted to withstand the toughest rides while providing riders with excellent support and durability.

About DCor Visuals

DCor Visuals is a top provider of custom graphics, decals, and seat covers for motocross bikes. Their premium designs allow riders to personalize their bikes with durable, high-quality products that not only look great but can also withstand the rigors of off-road racing.

About Mika Metals

Mika Metals produces top-tier handlebars, chains, and sprockets designed for strength and performance. Engineered with high-quality materials, their products are trusted by pro riders and motocross enthusiasts to provide durability and control in the most demanding environments.

About Galfer

Galfer Brakes has been a leader in high-performance braking systems since 1952. Known for their wave rotors and brake pads, Galfer delivers exceptional stopping power and heat dissipation, making their products essential for motocross riders seeking ultimate control and safety.

About Cardo System

Cardo Systems is a pioneer in wireless communication for motorcyclists. Their advanced Bluetooth systems allow riders to connect with fellow riders, listen to music, and receive navigation instructions, all while keeping hands on the handlebars and eyes on the road.

About Michelin

Michelin is a world-renowned tire manufacturer known for their high-performance motorcycle tires. Offering excellent grip, durability, and handling, Michelin tires are designed to meet the demands of motocross and road riders, ensuring superior performance in all conditions.

Troy Lee Designs MTB Adult Helmet Size Chart (D3, D4)

Size	Head (in)
Y/XS	19–21 1/4"
S	21 1/4–22"
M/L	22–23 1/4"
XL/2XL	23 1/4–24"

Measuring your head with a fabric tape measure around the circumference of your head holding the tape just above your eyebrows and ears.

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Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB)

Troy Lee Designs - Qualifier D4 Composite MIPS Helmet (MTB)

Troy Lee Designs MTB Adult Helmet Size Chart (D3, D4)

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