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Helmets

We've got the best selection of bike helmets in San Diego

Whether you ride the road or the trails, protecting your brain is critical. Your bike helmet is the most important accessory you can buy, so make it a good one. We've got great models from top brands that'll keep you safe without cramping your style.

Troy Lee Designs A1 Helmet Drone
$99.00 - $139.00
FIT, PROTECTION, STYLE After years of research and development, the Troy Lee Designs Team introduced the A1 mountain bike helmet in 2013. Here at TLD, styling, graphics, fit, function and safety are key in everything we create. This lightweight, fully encapsulated all-mountain helmet utilizes maximum coverage and dimension to keep you safe and protected in all riding conditions. Whether you're charging a single track, riding dirt jumps or grinding out miles on the XC bike, the A1 helmet offers the premium fit, protection and style you want. "The A1 Helmet is an aesthetically-pleasing helmet that delivers outstanding fit and comfort." - Gear Institute Features: - Reinforced polycarbonate shell in-molded with the EPS liner extends down the sides and back of the head for maximum protection and durability - 8 pressurized intake passages draw in cool air for maximum ventilation - 8 rear vacuum vortex outlets help exhaust and draw heat from the head - Triple position adjustable retention system allows customized fit for various eyewear, head shape, and riding styles - Single-piece, ultra-plush, removable and washable comfort liner made of anti-microbial moisture-wicking material for a dry, comfortable feel - Full-spectrum adjustable moto inspired visor with anodized aluminum hardware - Race-inspired styling
Troy Lee Designs A1 Helmet w/ MIPS Classic
$139.00 - $145.00
Fit, Protection, Style After years of research and development, the Troy Lee Designs Team is proud to introduce our latest creation - the A1 helmet. Here at TLD, styling, graphics, fit, function, and safety are key in everything we create. This lightweight, fully encapsulated all-mountain helmet utilizes maximum coverage and dimension to keep you safe and protected in all riding conditions. Whether you're charging single track, riding dirt jumps, or grinding out miles on the XC bike, the A1 helmet offers the premium fit, protection, and style you want. - Reinforced polycarbonate shell in-molded with EPS liner extends down the sides and back of the head for maximum protection and durability - MIPS brain protection system reduces rotational forces to the brain - 8 pressurized intake passages draw in cool air for maximum ventilation - 8 rear vacuum vortex outlets help exhaust helmet and draw heat from head - Triple position adjustable retention system allows customized fit for various eyewear, head shape, and riding styles - Single piece, ultra plush, removable, and washable comfort liner made of anti-microbial moisture wicking material for a dry, comfortable feel - Adjustable, moto-inspired visor with anodized aluminum hardware - Race-inspired styling - CPSC 1203, CE EN 107B, AS/NZS 2063 certified - 5-Star Rated by VA Tech Testing Institute Bicycle Helmet Testing lab
Troy Lee Designs A2 Helmet MIPS Decoy
$169.00 - $189.00
Cooler, faster, in a protective package—the A2 The A2 helmet redefines mountain bike safety, style, comfort, and ventilation. The first helmet in its class to combine EPP (for slow speed impacts) and EPS (for high speed impacts) in one sleek package, that will set a new benchmark for mountain bike helmets. A2 Functional Features: - Huge air intakes - 25% larger than A1 - connected to massive exhaust ports through deep internal channels provide powerful cooling efficiency - MIPS brain protection system reduces rotational forces to the brain in some crash scenarios - Dual-density EPS, co-molded with EPP, for state-of-the-art impact energy management at low and high crash speeds as well as everything in between - 16% more EPS+EPP in the frontal lobe and raised EPS splines provide more protection in the common impact zones - Aerospace filament-reinforced polycarbonate shell - Break-away anodized aluminum visor screws Fit: - Rear stabilizer fit system with flexible, slimline arms has 3-position front and rear locations for a custom fit - Expanded field of view works with both goggles and glasses – multiple storage locations for glasses - Low-profile fixed strap dividers for a no-fuss fit every time Additional features: - Fit kit - Ventilated helmet storage bag - Sticker kit - 3 year warranty - 350 grams (size M/L) - Meets or exceeds: CPSC 1203, CE EN 1078, AS NZ 2063:2008. Helmets that meet or exceed these certain standards are only available in their specific country
Troy Lee Designs A2 Helmet w/MIPS Camo
$185.00 - $189.00
The trailblazing A2 is Troy Lee Designs' MTB trail helmet that checks all the boxes. Its stylish shell not only incorporates huge intake and exhaust ventilation ports, but it also comes with the very best in impact protection. From breakaway visor screws and the innovative MIPS system and an industry-first dual-density EPP + EPS liner that protects against both high and low-speed impacts; this is a helmet that doesn't take your safety lightly. Add in an adjustable strap and X-Static Pure Silver comfort liner, and the comfort is every bit on par with the protection. - Cutting-edge safety technology with the MIPS (Multi-directional Impact Protection System) - Patent pending, industry-first dual density EPP = EPS impact liner provide first in class protection against high and low speed impacts - An additional 16% more frontal EPP + EPS increases protection in common impact zones - 25% more airflow over the A1 for maximum cooling power using huge intake and exhaust ports - X-Static Pure Silver comfort liner with extended coverage and best-in-class odor protection and quick-dry moisture wicking - Innovative break-away visor screws help reduce the likelihood of the visor snagging during a crash - Low-profile, semi-adjustable strap dividers deliver the perfect fit regardless of head shape - 3 Year Warranty - 50 Grams ( Size M/L ) - CPSC 1203, CE EN 1078, AS NZ 2063
Troy Lee Designs A2 Helmet w/MIPS Decoy
$185.00 - $189.00
The trailblazing A2 is Troy Lee Designs' MTB trail helmet that checks all the boxes. Its stylish shell not only incorporates huge intake and exhaust ventilation ports, it also comes with the very best in impact protection. From breakaway visor screws and the innovative MIPS system and an industry-first dual-density EPP + EPS liner that protects against both high and low-speed impacts; this is a helmet that doesn't take your safety lightly. Add in an adjustable strap and X-Static Pure Silver comfort liner, and the comfort is every bit on par with the protection. - Huge air intakes - 25% larger than A1 - connected to massive exhaust ports through deep internal channels provide powerful cooling efficiency - MIPS brain protection system reduces rotational forces to the brain in some crash scenarios - Dual-density EPS co-molded with EPP for state-of-the-art impact energy management at low and high crash speeds as well as everything in between - Rear stabilizer fit system with flexible, slimline arms has 3-position front and rear locations for a custom fit - Adjustable strap dividers for a perfect fit every time - 350 grams ( size M/L ) - CPSC 1203, CE EN 1078, AS NZ 2063:2008.
Troy Lee Designs A2 Helmet w/MIPS Screaming Eagle
$189.00 - $195.00
Cooler, Faster in a Protective Package The trailblazing A2 is Troy Lee Designs' MTB trail helmet that checks all the boxes. Its stylish shell not only incorporates huge intake and exhaust ventilation ports, but it also comes with the very best in impact protection. From breakaway visor screws and the innovative MIPS system and an industry-first dual-density EPP + EPS liner that protects against both high and low-speed impacts; this is a helmet that doesn't take your safety lightly. Add in an adjustable strap and X-Static Pure Silver comfort liner and the comfort is every bit on par with the protection. - Cutting-edge safety technology with the MIPS (Multi-directional Impact Protection System) - Patent pending, industry-first dual density EPP = EPS impact liner provide first in class protection against high- and low-speed impacts - An additional 16% more frontal EPP + EPS increases protection in common impact zones - 25% more airflow over the A1 for maximum cooling power using huge intake and exhaust ports - X-Static Pure Silver comfort liner with extended coverage and best-in-class odor protection and quick-dry moisture wicking - Innovative break-away visor screws help reduce the likelihood of snagging during a crash - Low-profile, semi-adjustable strap dividers deliver the perfect fit regardless of head shape - 3 Year Warranty - 350 Grams ( Size M/L ) - CPSC 1203, CE EN 1078, AS NZ 2063
Troy Lee Designs A2 Helmet w/MIPS Stain'd
$189.00
The trailblazing A2 is Troy Lee Designs' MTB trail helmet that checks all the boxes. Its stylish shell not only incorporates huge intake and exhaust ventilation ports, but it also comes with the very best in impact protection. From breakaway visor screws and the innovative MIPS system and an industry-first dual-density EPP + EPS liner that protects against both high and low-speed impacts; this is a helmet that doesn't take your safety lightly. Add in an adjustable strap and X-Static Pure Silver comfort liner, and the comfort is every bit on par with the protection. - Cutting-edge safety technology with the MIPS (Multi-directional Impact Protection System) - Patent pending, industry-first dual density EPP = EPS impact liner provide first in class protection against high and low speed impacts - An additional 16% more frontal EPP + EPS increases protection in common impact zones - 25% more airflow over the A1 for maximum cooling power using huge intake and exhaust ports - X-Static Pure Silver comfort liner with extended coverage and best-in-class odor protection and quick-dry moisture wicking - Innovative break-away visor screws help reduce the likelihood snagging during a crash - Low-profile, semi-adjustable strap dividers deliver the perfect fit regardless of head shape - 3 Year Warranty - 350 Grams ( Size M/L ) - CPSC 1203, CE EN 1078, AS NZ 2063
Serfas HT-200/204 Karv Helmet
$39.99
Safety & Style. Protection With Panache. - In-mold construction - CPSC certified - Easy adjustable straps - Removable visor - Easy-to-adjust fit system - Weight: 278 grams - Vent count: 20 - Sizes: S/M 54-58cm, L/XL 58-62cm
POC Tectal Helmet
$190.00
The well-ventilated Tectal has been specifically developed for aggressive trail riding and enduro racing and incorporates the aramid bridges system from POC’s proven and award-winning Trabec helmet. The reinforced EPS liner provides a high level of protection and the unibody shell construction, introduced in POC’s ground breaking Octal road cycling helmet, further enhances the safety properties and construction integrity of the helmet while maintaining a low weight. Tectal offers more coverage than conventional mountain bike helmets and has a highly efficient ventilation design, optimized and evaluated through wind tunnel testing. The lightweight size adjustment system ensures a comfortable and secure fit. - EPS liner - Outer PC shell - Unibody shell construction - Aramid fiber grid for protection and durability - Designed to provide more coverage at temples and back of head - Size adjustment system - Adjustable visor - Recco reflector - Weight: XS-S: 320g, M-L: 350g, XL-XXL: 370g
POC Tectal Race SPIN Helmet
$220.00
With features from several of POC’s award-winning helmets and a unibody shell construction, the Tectal Race SPIN provides protection and ventilation on a previously unseen scale for mountain bike riders. With the inclusion of SPIN (Shearing Pad INside), our patent-pending silicone pad technology system, the helmet further builds on our whole-helmet approach to design and construction in order to deliver superior levels of comfort, fit, and performance. Other safety features include an aramid bridge system for improved structural integrity and a reinforced EPS liner. The unibody shell construction supports the integrity of the helmet while ensuring the weight remains low. With ventilation optimized and evaluated through wind tunnel testing, the Tectal Race SPIN delivers lightweight, reliable protection that will keep you cool headed as you push your boundaries on the trail. - Fully wrapped unibody shell construction to improve helmet strength - Helmet integrated with patent pending SPIN (Shearing Pad Inside) pads - Lightweight - Highly ventilated using POC’s unique ventilation design - Aramid bridge technology integrated with liner for enhanced structural integrity - High performance PC shell covering more of the liner to improve safety and protection against sharp objects - Simple and easy adjustment system for a perfect fit - Precision straps molded into liner for extra comfort - Goggle clip - Adjustable visor - Recco reflector - Weight: XS-S: 337g, M-L: 368g, XL-XXL: 390g - Certifications: EN 1078, CPSC 12.03, AS/NZ 2063:2008
POC Ventral SPIN Helmet
$290.00
Aerodynamic performance, safety and ventilation do not need to come at the expense of each other. By using our whole-helmet approach to development, we have been able to deliver unparalleled levels of aerodynamic performance, safety and ventilation without compromise in the Ventral SPIN. Taking inspiration from the Venturi effect, the helmet’s airflow zones allow the helmet to pass through the air with greater efficiency, making it faster. Residual air traveling around the helmet is managed by the 22° aero trailing edge, the perfect angle for minimizing turbulence, further improving aerodynamic performance. By leading air through rather than around the helmet, its wake is minimized, while its ventilation and cooling properties are enhanced. Other features of our whole-helmet approach include a fully wrapped unibody shell with an EPS liner for the ideal balance between weight and protection. SPIN (Shearing Pad INside), our patent-pending silicone pad technology; a lightweight adjustment system and an ergonomic precision strap provides a flexible, comfortable and secure fit. - Unique aerodynamic design optimized with CFD testing for enhanced aerodynamic performance and minimal air turbulence. - Helmet integrated with patent pending SPIN (Shearing Pad Inside) pads - Accelerated airflow zones, inspired by the Venturi effect, to reduce fluid drag. - Extreme cooling and ventilation due to innovative air flow design. - High performance EPS liner with targeted and optimized density to provide the ideal balance of low weight and crash protection. - Fully wrapped unibody shell construction to increase safety and helmet integrity. - Light weight size adjustment system for a personalized fit. - Easily adjustable precision straps molded into the helmet liner for extra comfort and safety. - Eye garage to keep your sunglasses securely in position when placed on the helmet. - Used and preferred by Cannondale - drapac Pro Cycling Team. - Meets EN 1078, CPSC 12.03 AS/NZ 2063:2008 certifications.
Light & Motion Vis Pro
$129.99
Taking the ultimate helmet lighting system – the Vis 360 – to the next level, the Vis Pro features an ultra-powerful 600-lumen headlight optimized for commuting and bright enough for twisty singletrack! The featherweight system is waterproof for all-conditions reliability and has an integrated rear light/battery pack that balances the unit on a variety of helmets. An essential setup for those requiring maximum protective visibility with powerful illumination. Featuring: - 600 Lumen Output Certified to the FL-1 Standard - Daylight Visible Pulse Mode - Integrated Battery Pack With Red Rear Lighting - Innovative Amber Sidelights Provides Critical Side Visibility at Intersections - Ultra-lightweight Setup With Easy Clip On/Off Design - Waterproof to 1 meter For All-Conditions Reliability - Accurate Battery Charge & Status Indicator - Micro USB Rechargeable Included: - Helmet Mounts & Micro USB Charging Cable
Lazer Sport Coyote MIPS
$99.99
INTO THE WILD! The Lazer Coyote MIPS helmet is a clean and practical mountain bike helmet that delivers on every aspect. Style, performance, ventilation, comfort and safety are all present in a great looking package. The TS+ fit system provides a snug and reliable adjustment system to ensure comfort while the bottom shell construction creates a clean finish and added durability. The rear shell construction is designed to hold your goggle strap and works great with the open front that allows for goggle or normal eyewear use. The integrated visor provides protection from low-hanging branches and other things you encounter on your rides. The integrated low-friction MIPS layer provides additional protection against rotational impacts for when a crash occurs. - Increased protection - Large ventilation holes - Large visor - Premium features - Turnfit Plus system - Rear LED light compatible - MIPS layer - Fit System: TS+ Turnfit Plus fit system - Construction: In-Mold - Ventilation: 21 vents - Weight: 355 (M) - Certification: CE-CPSC-AS
Lazer Sport G1 MIPS
$239.99 - $249.99
Weighing in at 235 grams, the G1 MIPS is the lightest helmet we have ever made. It is the climbers’ favorite on the ProTour. Not only is it a featherweight, but it’s extremely well ventilated. Twenty-two vents and internal air channels create 8% more airflow over the head than wearing no helmet at all. It’s also comfortable—vital for long days in the saddle. The Super Lightweight ARS Fit System ensures a snug and comfortable fit with no pressure points. The head basket is adjustable. Two sets of pads are included so you can choose between superlight and comfort pads. Awarded the esteemed Virginia Tech 5-Star “Best Available” protection rating, you can trust that the G1 MIPS is a great choice. The MIPS system helps reduce the risk of rotational injury. When you’re after every bit of speed, the addition of the Aeroshell (sold separately) transforms the G1 MIPS into an aero helmet. - Lightweight - Well ventilated (22 vents) - Advanced Rollsys system - Comes with race and comfort pads - Lazer Aeroshell compatible (sold separately) - UCI World Tour helmet - MIPS layer - Construction: In-Mold, EPS foam, polycarbonate, nylon - Weight: 235g - Certification: CPSC
Lazer Sport Z1 MIPS
$209.99 - $219.99
Think about your current helmet; now imagine it lighter, with a more comfortable fit system, better ventilation, an additional (optional) aeroshell, and improved side impact protection. That is what the Lazer Z1 offers. Building on a long tradition of innovation, Lazer decided to combine all elements of a high performance helmet and push each feature as far as possible. It is the lightest helmet Lazer has ever made without sacrificing style, safety, or comfort. Styling wise it has the looks of a contemporary high performance road helmet with an integrated wing on the top of the helmet. With the integration of the MIPS layer, the Z1 also has an additional protection aspect against rotational impacts. With the integration of the MIPS layer, the Z1 also has an additional protection aspect against rotational impacts. LIGHTER! Features: - MIPS Inside - Lightweight - T-Pro temple protection - Extreme ventilation - Aeroshell-compatible - Rigidity Brace System - Certification: CE - CPSC - AS - 190g (Small)
KASK Protone
$299.95 - $299.99
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
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
KASK Valegro
$249.95 - $250.00
The profile of Valegro's polycarbonate shell has been tested and refined by KASK’s engineers in conjunction with a wind-tunnel to get the best results in terms of thermo-cooling performance. The Valegro offers advanced ventilation and an impressive weight of just 180g (size small). This new design offers maximum cooling through 37 ventilation holes with new breathable and quick-dry padding. The 5mm layer of fast-wicking thermoformed tri-dimensional padding is antistatic, bacteriostatic, heat regulating and moisture transferring using Resistex Carbon. Alongside this cutting-edge technology, the chin pad with eco-leather strap contributes to a helmet that’s comfortable to wear, all day.
Giro Switchblade MIPS
$249.99 - $270.00
The Switchblade MIPS is an ASTM downhill certified full-face helmet with a removable chinbar so you can easily switch to rowdy when it's time to descend. Everything about the Switchblade is optimized for the descent. That's why in addition to mandatory standards, it's also certified to ASTM-1952 DH with and without the chinbar. The chinbar is easy to remove - just push the buttons under the chinbar, rotate up, and take off—and it's just as easy to reinstall. Another boast-worthy feature on the Switchblade MIPS is the Roc Loc Air DH fit system, which has a bumper around the dial to prevent accidental adjustments if your helmet contacts your backpack or neck brace—all while keeping you cool. When the chinbar comes off, Wind Tunnel cheek pad ventilation adds even more cooling power as you start to climb. Plus, the full-cut style gives this helmet an aggressive look and provides ASTM certified coverage even when the chinbar is removed. When your ride is all about descending, your helmet should be too, and the Switchblade MIPS is the only removable chinbar helmet that is truly built for the down.
Fox Racing Flight Sport
$39.95
The Flight Sport is the entry level version of Fox's BMX/dirt jump helmet. A single-density layer of EPS combined with a proven ABS hard outershell inspires confidence for riders of any age and experience level. FEATURES - Dirt jump and trail specific functionality - Single density EPS liner - Thin ABS shell for reduced weight - Eight large Big Bore vents for increased airflow - Heat sealed comfort liner for a clean look and feel
Evo EVO R1 Smart Helmet
$229.99
- Fully Bluetooth integrated bicycle helmet with HD Audio speakers and microphone - Talk with up to 3 other friends via Bluetooth intercom over up to 900 meters (0.5 miles) in open terrain - Connect with your phone for fitness apps, GPS, music or to take or make phone calls. - User-friendly three-button design on the side of the helmet makes it easy to navigate and use - Sena's patented Advanced Noise Control technology for minimal wind and background noise allows you to communicate easily while riding - Compatibility with additional Bluetooth accessories and smartphone apps for larger intercom groups and feature controls - Operating time: 12 Hours talk time, Charging time 3.5 hours with Lithium Polymer Battery, Weight 380g (13.40 oz) - 2 sizes M(55-59mm) and L(59-62mm) with Sena Spin Lock for adjustable sizing - 2-year warranty and firmware upgrades
Electra Commute Bike Helmet
$79.99
The Electra Commute Helmet introduces a stylish minimalism that is the perfect balance of form and function. - Lightweight, modern commute helmet - Camera/light mount and reflective visor - Size small fits circumference 48 cm - 54 cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55 cm - 58 cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59 cm - 61 cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults
Electra Commute MIPS Bike Helmet
$99.99 - $129.99
Keep it safe with an Electra Commute MIPS Helmet. The perfect balance of form and function, these stylish and sleek helmets are our most advanced yet. - MIPS Brain Protection System - Boa System ensures easy adjustment and secure fit - Camera/light mount and reflective visor - Magnetic Fidlock slide buckle - In mold EPS with PC shell for maximum comfort and protection - Certified to NTA 8776 standard and is ideal for e-bike riders - Size small fits circumference 48 cm - 54 cm and hat sizes 6 1/2 - 6 3/4 - Size medium fits circumference 55 cm - 58 cm and hat sizes 6 7/8 - 7 1/4 - Size large fits circumference 59 cm - 61 cm and 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults
Electra Under the Sea Helmet
$79.99
It doesn't matter if you're a casual rider or committed commuter. Stay safe and protect your head with an Electra helmet. - Durable ABS hardshell and EPS foam liner for maximum comfort and protection - Fit retention system with reflective bubble decal - Authentic Electra graphics - Secure magnetic Fidlock buckle - Heat sealed and washable padding liner for added comfort - Reflective straps - Size SMALL fits circumference 48cm - 54cm and hat sizes 6 1/2 - 6 3/4 - Size MEDIUM fits circumference 55cm - 58cm and hat sizes 6 7/8 - 7 1/4 - Size LARGE fits circumference 59cm - 61cm and hat sizes 7 3/8 - 7 5/8 - Small size generally fits children while medium and large sizes fit adults
Bontrager Ballista MIPS Road Bike Helmet
$199.99 - $209.99
Ultimate aero road bike helmet with wind-tunnel proven design and the added protection of MIPS. Aero got cool The Ballista MIPS road helmet projects racers to their target just like the ancient Greek missile weapon it was named after. Thanks to a wind tunnel-proven design and superior venting with our unique internal channeling, Ballista launches you to the front of peloton breakaways and sprint-line finishes. 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 - The Boa System lets riders easily secure and adjust helmet fit with one hand - Front Center Channel's distinct vent shape draws in significantly more air - Internal, recessed channels move airflow over your head to stay cool and dry - In-mold composite skeleton increases helmet integrity for larger vent variations - AgION antimicrobial pads wick moisture and completely eliminate odors naturally - LockDown dividers make helmet strap management clean and are easy to adjust - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Details - Shell Material: Polycarbonate
Bontrager Big Dipper MIPS Kids' Bike Helmet
$64.99
For the ring leaders They're getting to that age when dares are readily accepted. Make sure they have a helmet with Multi-directional Impact Protection System (MIPS) for every stunt attempt. 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 4 - 7 - 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 = 48-52cm
Bontrager Blaze WaveCel
$299.99
When you're riding serious trails, you need serious protection. Bontrager Blaze WaveCel offers the best in performance and protection on any trail, from flowy singletrack to gnarly downhills. It’s built for style, comfort, and performance, and equipped with the industry's best safety tech for whatever trails you roam. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. - WaveCel advanced helmet technology - The Boa System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - AgION antimicrobial pads wick away moisture and eliminate odors naturally - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership Sizing: - Small: 51-57cm - Medium: 54-60cm - Large: 58-63cm
Bontrager Blaze WaveCel LTD Mountain Bike Helmet
$299.99
A trail-tested mountain bike helmet with advanced WaveCel technology for comfort on any trail, any time. A major advancement in the protection against cycling-related head injuries. When you're riding serious trails, you need serious protection. Bontrager Blaze WaveCel LTD offers the best in performance and protection on any trail, from flowy singletrack to gnarly downhills, and it's available now in a run of limited edition colorways. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. Product details - WaveCel advanced helmet technology - BOA Fit System lets you easily secure and adjust helmet fit with just one hand - Fidlock magnetic buckle fastens effortlessly for a quick, secure fit - Front Blendr mount system easily integrates GoPro camera and Bontrager light accessories - Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity - Drop-in coverage on back of helmet offers extended protection - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
Bontrager Blendr Circuit MIPS Bike Helmet Mount Front
$19.99
Easily integrated Designed specifically for specific Bontrager Circuit MIPS road bike helmets, the Blendr mount easily integrates Bontrager Ion lights and GoPro cameras. - Quickly mount front light and camera accessories on the front of your Bontrager Circuit MIPS road bike helmet. - Tested with an accelerometer for intended breakaway point if involved in a crash
Bontrager Blendr Circuit MIPS Bike Helmet Mount Rear
$19.99
Easily integrated Designed specifically for specific Bontrager Circuit MIPS road bike helmets, the Blendr mount easily integrates Bontrager Ion lights and GoPro cameras. - Quickly mount rear light to the back of your Bontrager Circuit MIPS road bike helmet - Tested with an accelerometer for intended breakaway point if involved in a crash
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