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Helmets

Bontrager helmets look great, fit great, and are hassle-free to set up. Because no matter what kind of rider you are, you shouldn't have to sacrifice comfort and style in order to be safe.

Road

Oracle

$179.99

Low profile. Massively ventilated. Exceptionally aerodynamic. Oracle is a pro-caliber road helmet for riders who won't settle for anything but the best. Featuring an in-molded carbon fiber skeleton that provides the superior structural integrity and load dispersal necessary to create the biggest possible vents in the lowest-profile design, Oracle uses internal channeling and CFD-optimized ventilation to maximize airflow efficiency through the helmet and over the head, for impressive levels of cooling and drag reduction.

Specter

$139.99

Aimed at racers and performance enthusiasts, Specter borrows DNA from the pro peloton-leading Oracle to deliver outstanding fit, massive airflow, and quick, easy adjustability.

Circuit

$99.99

Styled for maximum airflow and go-fast good looks, the lightweight, 21-vent Circuit was designed using Computational Fluid Dynamics, for an air-gobbling shape that delivers superb ventilation and unbeatable air flow.

Styled for maximum airflow and go-fast good looks, the lightweight, 21-vent, women's specific Circuit WSD helmet was designed using Computational Fluid Dynamics, for an air-gobbling shape that delivers superb ventilation and unbeatable air flow.

Quantum

$64.99

Available in up to four sizes for a tailored fit, Quantum features great ventilation, excellent coverage, and of course Bontrager's signature out-of-the-box comfort and incredible ease-of-use. A removable visor adds to the value of a helmet that feels just as at home on the trail as it does on the road.

Featuring Bontrager's signature out-of-the-box comfort and incredible ease-of-use, Quantum WSD's excellent coverage and great ventilation make it just as at home on the trail as on the road.

MTB

Specter XR

$149.99

Keep your cool on the racecourse with the lightweight, composite-reinforced Specter XR helmet. This well-ventilated lid uses internal channeling to pull air through the helmet and over your head. Moisture-wicking antimicrobial fit pads and a one-hand precision adjustment retention system keeps the helmet resting comfortably and confidently on your head.

Lithos

$129.99

The high-performance, lightweight Lithos has everything hard-charging mountain bikers need to tackle the most demanding trails. Excellent coverage. Awesome high-speed and low-speed ventilation. And great usability, thanks to a removable and adjustable visor that gives 10-degrees of indexed tilt adjustment.

Quantum

$64.99

Available in up to four sizes for a tailored fit, Quantum features great ventilation, excellent coverage, and of course Bontrager's signature out-of-the-box comfort and incredible ease-of-use. A removable visor adds to the value of a helmet that feels just as at home on the trail as it does on the road.

Featuring Bontrager's signature out-of-the-box comfort and incredible ease-of-use, Quantum WSD's excellent coverage and great ventilation make it just as at home on the trail as on the road.

Sport

Quantum

$64.99

Available in up to four sizes for a tailored fit, Quantum features great ventilation, excellent coverage, and of course Bontrager's signature out-of-the-box comfort and incredible ease-of-use. A removable visor adds to the value of a helmet that feels just as at home on the trail as it does on the road.

Featuring Bontrager's signature out-of-the-box comfort and incredible ease-of-use, Quantum WSD's excellent coverage and great ventilation make it just as at home on the trail as on the road.

Solstice

$44.99

Solstice is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use helmet. Designed to be comfortable right out of the box, Solstice features Bontrager's proprietary LockDown strap dividers and Micro-Manager Fit System, making customizing your fit quick and easy. Universal fit sizing adds one-size-fits-most versatility.

Solstice WSD is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use helmet. Designed to be comfortable right out of the box, Solstice WSD features women's specific universal fit sizing for one-size-fits-most versatility and Bontrager's proprietary LockDown strap dividers and Micro-Manager Fit System for quick and easy adjustments.

Urban

Convert

$49.99

Urban style. Everyday utility. Convert is easy to wear, easy to use, includes functional features like a removable, ponytail-friendly rear port, and is styled to fit with everyday clothes. It's the perfect helmet for the casual, entry-level hybrid and comfort bike rider who doesn't want to look like a racer. Put it on, buckle it up, and go. It's that easy.

Youth

Bontrager's Solstice Youth helmet is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use helmet. Designed to be comfortable right out of the box, the Solstice Youth features youth specific universal fit sizing for one-size-fits-most versatility. Proprietary LockDown strap dividers and a Micro-Manager Fit System make dialing-in a personalized fit quick and easy.

Big Dipper

$34.99

Protect the young cyclist in your life with Bontrager's smartly-styled, smartly-designed Big Dipper kids' helmet. A larger version of our Little Dipper, the Big Dipper packs the same great smartly-styled, smartly-designed fit, comfort, and durability features into a helmet that's aimed at on-the-go kids from ages 4-7.

Protect the young cyclist in your life with Bontrager's smartly-styled, smartly-designed Little Dipper toddler helmet. Packed with kid-friendly features like a built-in visor, durable in-molded EPS shell, hassle-free QuickSet fit system, ample ventilation, and a completely pinch-proof buckle, the Little Dipper is the perfect helmet for the on-the-go toddler, whether he or she rides in a trailer, in a child carrier, or on his or her own.

Fabian Cancellara upgraded. So can you.

Upgrade to the new, cooler you.

Discover Oracle. Massively ventilated, carbon fiber-reinforced protection for your head.

Universal Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
  Toddler                        
    Youth              
        Women’s          
                  Men’s

1 Head

Take your measurement horizontally across your brow and over your ears.

Pro Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
  Small                  
          Medium            
                  Large    
                      X-Large

1 Head

Take your measurement horizontally across your brow and over your ears.

Convert Sizing

Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Use the chart below to find the proper helmet size based on your measurement.

cm 53 54 55 56 57 58 59 60
  Small            
      Medium        
          Large    
              X-Large

1 Head

Take your measurement horizontally across your brow and over your ears.

Ride it and love it. If not, we’ll take it back.

Ride it and love it. If not, we’ll take it back.

It’s that simple.

If for any reason you’re not satisfied with your Bontrager products, return the item - along with the original sales receipt - to the place of purchase within 30 days of purchase date for exchange or store credit.

RADIOSHACK NISSAN TREK rides Bontrager

RADIOSHACK NISSAN TREK