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Helmets

Keep your control center protected in a cycling helmet from Trek Stop Bicycles. We've got a great selection of helmets to keep you comfortable whether you ride mountain, road, or something in between. Not sure which helmet is right for you? Let us know and we'll help you choose. 

KASK Rapido
$99.95
Kask's Rapido road helmet redefines entry-level. It features in-mold construction for a durable, lightweight and comfortable helmet. It has 24 large air intakes for ventilation that are arranged to optimize aerodynamics. And, it features a one-handed dial adjustment for a great fit.
Fox Racing Flux Helmet
$99.95
A new generation of Fox Racing legendary MTB helmet, the Flux Helmet is highly evolved design. New materials and technology have refined the name Flux forever. TECHNICAL DETAILS - Varizorb multi-density EPS for enhanced impact absorption - The internal cage provides additional strength - 300-degree retention system provides a full wrap for premium fit and comfort - Large retention dial for one-handed, on trail adjustment with or without gloves - Fixed anchor Y-strap system simplifies adjustment and improves fit - Breathable liner system is moisture wicking and anti-microbial - Increased coverage for aggressive all mountain/trail riding - 14 Big Bore vents provide superior airflow - Full range adjustment visor
Bontrager Velocis Helmet
$99.99 $199.99 50% Savings
The Velocis is Bontrager's pro-level race helmet that combines safety, fit and comfort in an amazingly light package. The in-mold composite exoskeleton increases structural integrity and actually allows for more and bigger vents. Fit and comfort are one in the same, to that end, you've got the HeadMaster II fit system, which adjusts by height and circumference perfectly with one hand. The FormFit flexible brow band gives you a custom fit and improves ventilation along with recessed internal channels that manage airflow. The wicking fit pads are naturally antimicrobial and you're equipped with the ingenious detachable NeoVisor. - Small = 52-56cm - Medium = 54-60cm - Large = 58-63cm
KASK Protone Limited Edition
$299.95
The Protone weighs just 215g (Size M) and uses a 3D Dry padding with a multi-layer open cell construction process to give a more comfortable ride. It has removable and washable inner padding, made from CoolMax fabrics and its inner padding fabric has been treated using the Sanitized antimicrobial process. KASK has also continued to use its Multi In-Moulding Technology to create a polycarbonate cover for the top, base ring and the back of the helmet’s shell. This is joined to the inner polystyrene cap via KASK’s In-Moulding Technology to improve the shell’s shock absorption. Its strengthened frame further reduces the risk of a shock breaking the shell. 3D DRY Padding - The tri-dimensional 3D DRY padding utilizes a multi-layer open cell construction process: high technology for the best comfort and performance. Aero Control - Incredibly aerodynamic and top performing shell, tested in the wind-tunnel and able to provide a really impressive CX rate. Any position the head will assume the outflow of the air will be perfectly in line with the helmet. Coolmax - Removable and washable inner padding in Coolmax material ECO Chinstrap - Chin pad with eco-leather chinstrap is anallergic and washable, extremely comfortable and helps to avoid irritation of the skin Inner Frame - The innovative inner strengthening frame offers a greater mechanical strength and a better compactness. In case of shock, it avoids the break of the helmet into pieces "In molding" - The innovative “in molding” technology, joining the inner polystyrene cap to the outer polycarbonate one, ensures a better shock absorption. MIT - The MIT Technology, applied to all KASK cycling helmets, guarantees a higher safety and a complete protection thanks to the polycarbonate layer that covers the shell on the top, on the base ring and on the back. OCTO FIT - Rubberised Micro Dial adjuster provides improved finger grip. Floating cradle contact points combine internal gel pads for optimum comfort. These supports are designed to oscillate freely through 180°, allowing a perfect fit on any head shape. The Skeletal Brackets of the cradle have been designed and refined to provide the best fit and support while being as light as possible High Visibility - High visibility stickers for maximum safety even in poor visibility conditions
Bontrager Lithos
$59.99 $149.99 60% Savings
Stay trail tough with our Lithos high-performance mountain bike helmet. Equipped with NoSweat channeled pads to keep your eyes clearly focused on each line you pick. - In-mold composite skeleton allows a greater variation of vent shape and size - Headmaster: one-Handed fit system adjustable by height and circumference - NoSweat: keeps sweat out of eyes through channeled pads for constant clarity - Flatlock strap dividers: strap management made simple with a fixed position fit - Drop-in coverage: coverage below traditional bottom edge for more protection - Headset: EVA foam pads co-molded to amplify standard pads - Blendr: seamlessly-integrated accessory mounts for GoPro and Ion lights - Crash replacement guarantee: free replacement if your helmet is involved in a crash during the first year of ownership - Anti-microbial - EPS/PC
Electra Graphic Helmet
$54.99 - $69.99 $69.99 Up To 21% Savings
Electra has always brought you the styles and functional designs you love in the world of cruisers. Now, with their Graphic Helmet, they keep you looking stylish while keeping your dome safe. This bold lid offers a broad variety of graphic choices so you can express yourself with gusto. - Durable ABS hardshell and EPS foam liner maximize comfort and protection - Fit retention system with reflective bubble decal - Secure magnetic Fidlock buckle - Heat sealed and washable padding liner for added comfort - Reflective straps - CPSC Adult Certified Size: - Small: 48-54cm - Medium: 55-58cm - Large: 59-61cm
Bern Union
$89.99
From the café to the office to the local watering hole, Bern's Union is at home wherever your urban adventures take you. Inspired by Bern's best-selling Brentwood, the Union features 21 vents, a Boa 360-degree retention system, a removable flip visor, and the modern styling to back it all up. Designed specifically for those urban riders who want their gear to look as good as it works, the Union is sure to be an instant urban classic. Bern's proprietary Zipmold+ construction helps make this one of their lowest-profile helmets to date, while the premium moisture-control liner helps keep you cool and sweat-free on long summer commutes. Modern look, premium construction, superior fit—classic.
Bern Diablo Tween
$34.99
With its classic skate design and cool colors, Bern's Diablo is the helmet for kids who hate to wear helmets. Featuring the same premium construction, fit, and finish as the adult Team Macon, the Diablo is scaled down to fit pre-teen heads perfectly. Bern's Team Fit single-sizing construction keeps things simple and secure, while their lightweight EPS/ABS design is safe and durable. The Diablo also passes all snow and bike safety certifications, meaning one helmet for all four seasons.
Nutcase Street
$69.95 - $69.99
The third generation of the Nutcase Street helmet is certified safe for both bicycling and skating. They've taken the best features of their original line of helmets and used them to enhance the design and function throughout: great designs that let you express your unique personality, a smoother contoured shell, lighter weight, increased ventilation, and extra sets of pads to fit a variety of head sizes. The Street Sport is sure to get you out on your bike in safety and style. - Fidlock magnetic buckle - Removable spin dial fit system - Detachable visor  - Durable, injection-molded ABS shell with protective EPS foam - Crumple Zone in EPS is engineered to disperse energy on impact - Eleven vents and internal EPS channeling for maximum airflow - Three sets of foam pads for customized fit - 360 degree reflectivity - CPSC 16 CFR 1203 and ASTM F1492 certified for cycling, scooting, and skating
Fox Racing Rampage Comp Creo Helmet
$199.95
Race Ready, the Rampage Comp Helmet raises the stakes for mid-level full face mountain bike helmets. Pulling from the championship winning formula of our class-leading Rampage Pro Carbon, we created a super light fiberglass shell to keep it as competitive in the market as it is on the race course. PRODUCT DETAILS Race-ready, lightweight fiberglass shell Channeled EPS for improved airflow Poured PU chin bar construction for added protection Multiple EPS and shell sizes for a pro-level fit
Bontrager Solstice MIPS Women's
$64.99
The Solstice MIPS helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use bike helmet. Featuring MIPS, Multi-directional Impact Protection System, it includes a sleek built-in brim with plug ports for a clean look when the additional visor is removed. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientists to help reduce rotational forces on the brain caused by angled impacts to the head. Key Features - MIPS Brain Protection System - Intuitive, one-handed Headmaster fit system adjusts height and circumference - Built-in and removable visor options give you two choices for constant coverage - LockDown dividers make helmet strap management clean and are easy to adjust - Internal, recessed channels move airflow over your head to stay cool and dry - Reflective elements on back of helmet for enhanced visibility - Soft, comfortable, moisture-wicking and washable helmet pads for added comfort - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
Nutcase Street
$69.95 - $69.99
Nutcase’s Street helmet offers cutting-edge comfort, style, and protection with its injection-molded ABS-plastic outer shell, EPS inner construction, and its multitude of vents that ensure ample airflow. You'll also love the adjustable dial fitting system, soft straps, and magnetic buckle, giving you a snug, comfortable fit and letting you close the buckle with one hand. There are reflective logos for enhanced visibility and a detachable visor, too.
Fox Racing Flight Sport Helmet
$39.95
The Flight Sport Helmet is the entry-level version of Fox's BMX/dirt jump helmet. A single density layer of EPS combined with a proven ABS hard outer shell inspires confidence for riders of any age and experience level. TECHNICAL DETAILS - Dirt jump and trail specific functionality - Single density EPS liner - Thin ABS shell for reduced weight - 8 large Big Bore vents for increased airflow - Heat sealed comfort liner for a clean look and feel
Bontrager Helmet Buckles 
$4.99 - $5.99
Helmet buckles work hard to keep your helmets secure and to maximize safety. No matter what happens, these original replacements will get them working like new. Key features - Original replacement buckles for your Bontrager helmet - Compatible with all Bontrager helmets
100% Aircraft DH MIPS Helmet
$450.00
The AIRCRAFT is 100%'s premier Downhill MTB helmet precision engineered with a Carbon/Kevlar composite shell for an ultra-lightweight feel. Ventilation is enhanced with 25 different channels to manage airflow creating one of the most ventilated DH helmets on the market. Already loaded with performance and safety features, all AIRCRAFT helmets now come equipped with MIPS Technology making it an even safer choice. - Ultra-light design featuring aerospace Carbon/Kevlar composite shell - MIPS technology adds more protection against rotational violence to the brain caused by angled impacts - Active cooling system maximizes airflow with 25 vents and channels - Washable, antibacterial comfort liner, cheek pads, and chin strap covers - Emergency release cheek pads and integrated release system compartment for quick, safe removal - Titanium D-Ring buckle provides a secure fit while saving weight - Engineered with 2 shell sizes and 3 EPS sizes to achieve the perfect fit - Adjustable visor with machined, lightweight aluminum screws - Durable helmet case with integrated goggle pocket included
100% Status DH/BMX Helmet
$200.00
A Downhill/BMX full-face helmet with an ultra-light design with a fiberglass shell and active cooling system that maximizes airflow. - Washable comfort liner, cheek pads, and chin strap covers - Adjustable visor with light-weight screws - Compatible with inflatable emergency helmet release systems - Padded PU chinbar interior for enhanced impact protection
100% Status DH/BMX Youth Helmet
$200.00
A Downhill/BMX full-face helmet with an ultra-light design with a fiberglass shell and active cooling system that maximizes airflow. - Washable comfort liner, cheek pads and chin strap covers - Adjustable visor with light-weight screws - Compatible with inflatable emergency release systems
KASK Mojito
$199.95
Kask's Mojito helmet is refreshing, stylish, and packed full of Kask's top-shelf Italian innovations. It features in-mold construction for a durable, well ventilated lid that hugs your head and Kask's Up-N-Down double-pivot fitting system that dials down on the top of your head and neck for a supreme fit. There's even an eco-leather chin strap that's incredibly comfortable and easy to clean.
KASK Protone
$299.95
With just 215g of weight, Protone has the lowest drag and the fastest heat dissipation coefficients compared to any other ventilated helmet. Thanks to several ventilation holes and a thick padding material, heat and moisture are dissipated very fast, improving comfort and performance without giving up on safety: the top area is reinforced with an internal plastic sub-structure that increases crash protection. The Protone uses a 3D Dry padding with a multi-layer open cell construction process to give a more comfortable ride. It has removable and washable inner padding, made from CoolMax fabrics and its inner padding fabric has been treated using the Sanitized antimicrobial process. KASK has also continued to use its Multi In-Moulding Technology to create a polycarbonate cover for the top, base ring and the back of the helmet’s shell. This is joined to the inner polystyrene cap via KASK’s In-Moulding Technology to improve the shell’s shock absorption. Its strengthened frame further reduces the risk of a shock breaking the shell. Meets the following standards: EN 1078 CPSC 1203 AS/NZS 2063
Bontrager Velocis MIPS Helmet
$199.99
Bontrager's Velocis MIPS road bike helmet pairs pro peloton performance with all-day riding comfort. This premium cycling helmet is superlight and sleek, allowing you to go faster while keeping you cool so you can turn up the jets without overheating. Available Mid August Key features - MIPS Brain Protection System - Boa closure system lets riders easily secure and adjust helmet fit with one hand - Internal, recessed channels move airflow over your head to stay cool and dry - 37.5-degree fit pads pull moisture away from your skin to help maintain ideal comfort - Sunglass port allows easy access to securely store glasses when not in use - Viper Red, White, and Visibility Yellow colorways come with Team Trek-Segafredo sticker kit - Includes removable NeoVisor for all the benefits of a cycling cap without extra bulk
Bontrager Little Dipper MIPS Kids' Bike Helmet
$59.99
Big protection for little riders Set your little thrill-seeker up for safe success in a helmet outfitted with Multi-directional Impact Protection System (MIPS). Developed by brain surgeons and scientists, MIPS helps reduce rotational forces on the brain caused by angled impacts to the head. Key features - For growing kids, ages 2 - 4 - MIPS Brain Protection System - Fidlock magnetic buckle offers quick, secure fit that's easy for kids - In-molded EPS shell with full-coverage for protection and durability - LockDown dividers make helmet strap management clean and are easy to adjust - Reflective elements on back of helmet for enhanced visibility - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - One Size = 46-50cm
Bontrager Lithos/Rally Visors
$14.99
Helmet visors work hard to get the sun out of your eyes and keep you looking good. No matter what happens, these original replacements will get them working like new. - Works perfectly with your Bontrager Lithos or Rally helmet - Original equipment replacement visor
Bontrager Rally MIPS Bike Helmet Fit Pad
$9.99
Let's face it - we all sweat. Sweat stinks. Fresh pads will make your helmet smell and fit just like it did when it was new. New pads can also help you dial in the perfect fit - keeping you comfortable and looking forward to the next ride. Key features - Original equipment replacement fit pads for your Bontrager Rally MIPS helmet - Helmet fit pads should be replaced once per year to maintain fit and hygiene
Bern Lenox
$59.99
Marrying style with function, Bern's Lenox delivers what women truly want: one core accessory that goes with everything, and takes you everywhere. It features Bern's tough ABS shell and EPS foam for low weight and comfort. You also get seven vents to let the air in, easy-to-adjust straps, and a visor to shield your eyes. When you aren't riding, this versatile helmet is equally ready for the skate park or the slopes.
Bern Brentwood w/Visor
$69.99
Bern's Brentwood is loaded with stylish looks, excellent comfort, and sweet features. Bern's Zipmold construction pairs a tough PVC shell with liquid-injected foam for great protection. And, for excellent comfort, you get 11 vents, easy-to-adjust straps, and a cool removable visor to shield your eyes, or to flip up for extra style.
KASK Rapido Internal Spare Pads
$21.95
Replacement pads for Kask's Rapido helmet.
KASK Bambino Pro
$499.95
3D dry - The tri-dimensional 3D DRY padding utilizes a multi-layer open cell construction process: high technology for the best comfort and performance. Aero Control - Incredibly aerodynamic and top performing shell, tested in the wind-tunnel and able to provide a really impressive CX rate. - Any position the head will assume the outflow of the air will be perfectly in line with the helmet. Coolmax - Removable and washable inner padding in Coolmax® material ECO Chinstrap - Chin pad with eco-leather chinstrap - The anallergic and washable chinstrap is extremely comfortable and helps to avoid irritation of the skin M in-molding - The innovative “in-molding” technology, joining the inner polystyrene cap to the outer polycarbonate one, ensures a better shock absorption. Magnetic Visor - The innovative magnetic visor is patented by KASK and integrated to the helmet thanks to a five magnets’ system. - The total adherence of the visor to the helmet allows a continuous air flow and a great aerodynamic.
Bern Bandita Tween
$49.99
Designed specifically for the pre-teen set, Bern's Bandita brings the adult style and good looks of the Lenox to smaller heads. With its baseball-style hard brim, clean lines, fun colors, and light weight, the Bandita is sure to please even the pickiest of young riders. Featuring Bern's tried-and-true ABS/EPS construction, their dial-adjustable Crank Fit retention system, and a moisture-controlling premium liner, the Bandita brings the quality, fit, and finish of their adult helmets down to younger riders. And, because the Bandita passes all bike and snow safety certifications, it can go with your child wherever their activities take them—from the bike path, to the neighborhood streets, to the local ski hill and beyond.
Bern Berkeley w/Visor
$69.99
You'll love the stylish looks, excellent comfort, and sweet features of Bern's Berkeley helmet. Bern's top-quality construction pairs a tough PVC shell with liquid-injected foam for protection that puts your mind at ease. And, for excellent comfort, you get 11 vents, easy-to-adjust straps, and a cool removable visor to shield your eyes or to flip up for extra style.
Kali Protectives Amara Helmet w/Camera Mount
$80.00
Immortalize your ride with Kali's camera-ready Amara Helmet. It's got a camera mount integrated into the top so you can grab footage of your favorite kicker or gap. Any helmet that's named after the Sanskrit word for 'immortal' is undoubtedly strong, and the Amara lives up to that and more thanks to a lightweight polycarbonate shell and an EPS liner bonded together with in-mold technology. The expanded rear coverage is awesome for all-mountain shredders, but fret not: there's plenty of air flow to keep you cool and bug netting to keep out stowaways. Everything stays comfortably in place, too, thanks to the Dual Closure system that wraps your head in the best kind of bear hug.
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