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> Bicycling > Helmets

Helmets

157 Results
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Bontrager Ballista MIPS Women's Road Helmet
$199.99

Aero got cool The Ballista MIPS women's 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… [more]

Bontrager Circuit
$99.99

Bontrager's Circuit is a lightweight road helmet that features massive vents for maximum airflow. It features their one-hand-adjustable Headmaster fit system, plus it has an in-mold strap retention system with FlatLock strap adjusters for a superb fit and serious safety. The premium fit pads not… [more]

Bontrager Circuit MIPS Helmet
$124.99

Rise up the ranks of the group ride and feel confident leading more turns in Trek's Circuit MIPS road helmet. Developed by brain surgeons and scientists, Multi-directional Impact Protection System (MIPS) technology helps reduce rotational forces on the brain caused by angled impacts to the head.… [more]

Bontrager Circuit MIPS Women's Helmet
$124.99

Rise up the ranks of the group ride and feel confident leading more turns in Trek's Circuit MIPS Women's road helmet. Developed by brain surgeons and scientists, Multi-directional Impact Protection System (MIPS) technology helps reduce rotational forces on the brain caused by angled impacts to the… [more]

Bontrager Circuit WSD
$99.99

Bontrager's Circuit WSD is a lightweight road helmet that features massive vents for maximum airflow. It features their one-hand-adjustable Headmaster fit system, plus it has an in-mold strap retention system with FlatLock strap adjusters for a superb fit and serious safety. The premium fit pads… [more]

Bontrager Helmet Light Bracket
$24.99

Add the safety of visibility to your helmet and light up the trail, road, or commute with help from the Bontrager Helmet Mount. Easily attaches a light to most helmets. • Works with all Bontrager Ion and Flare lights [more]

Bontrager Lithos
$139.99 - $149.99

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… [more]

Bontrager Lithos MIPS Helmet
$169.99

When the sun drops down, swap out a GoPro for an Ion headlight with the Blendr-compatibility of Bontrager's Lithos MIPS mountain bike helmet. Offering more than just extended coverage, MIPS (Multi-directional Impact Protection System) sets a new standard in helmet safety by reducing rotational… [more]

Bontrager Quantum Bike Helmet
$49.99
$69.99

The incredibly easy-to use Quantum bike helmet is your go-to lid no matter what type of riding you like to do thanks to great ventilation, excellent coverage, and Bontrager's signature comfort. - In-mold composite skeleton increases helmet integrity and larger vent variations - Fully-adjustable… [more]

Bontrager Quantum MIPS Bike Helmet
$89.99
$99.99

Quantum helmets feature superior ventilation, excellent coverage, and Bontrager's signature out-of-the-box comfort. A removable visor feature adds incredible ease-of-use by allowing Quantum to be your go-to helmet no matter what the type of ride. MIPS, "Multi-directional Impact Protection System,"… [more]

Bontrager Quantum MIPS Bike Helmet
$99.99

For trail or town Built for riders who live active lifestyles and want to stay protected, the Quantum cycling helmet looks just as good as it fits. Featuring MIPS, Multi-directional Impact Protection System, superior ventilation, and excellent coverage. Get it all and even more with a removable… [more]

Bontrager Quantum MIPS Women's Bike Helmet
$99.99

For trail or town Built for riders who live active lifestyles and want to stay protected, the Quantum women's cycling helmet looks just as good as it fits. Featuring MIPS, Multi-directional Impact Protection System, superior ventilation, and excellent coverage. Get it all and even more with a… [more]

Bontrager Quantum MIPS Women's Bike Helmet
$89.99
$99.99

Quantum helmets feature superior ventilation, excellent coverage, and Bontrager's signature out-of-the-box comfort. A removable visor feature adds incredible ease-of-use by allowing Quantum to be your go-to helmet no matter what the type of ride. MIPS, "Multi-directional Impact Protection System,"… [more]

Bontrager Rally

When "hitting the trails" means pushing your limits, look to the Rally mountain bike helmet to keep you covered. A true off-road design, this lightweight lid lets you charge hard. • In-mold composite skeleton allows a greater variation of vent shape and size • Headmaster: one-handed fit system… [more]

Bontrager Rally MIPS
$124.99

Pushing your limits on the trail just got safer. Rally raises the bar in comfort and protection. Extended base-of-skull coverage and ample vents will keep you riding all day long. • MIPS-equipped • In-mold composite skeleton allows a greater variation of vent shape and size • Headmaster: one-handed… [more]

Bontrager Rally MIPS Women's Helmet
$124.99

Reach for this versatile women's mountain bike helmet for your next trail ride. Offering more than just extended coverage, the Rally MIPS, or "Multi-directional Impact Protection System", sets a new standard in helmet safety by reducing rotational forces on the brain caused by angled impacts to the… [more]

Bontrager Solstice Bike Helmet
$39.99

Wear it and believe. The Solstice is proof you don't have to spend a lot of money to get a great fitting, easy-to-use cycling helmet designed to keep you protected during all your bike riding adventures. Key features - Intuitive, one-handed Headmaster fit system adjusts height and circumference -… [more]

Bontrager Solstice MIPS
$64.99

Solstice MIPS is proof you don't have to spend a lot of money to get a great fitting, great looking, and easy-to-use helmet. - MIPS-equipped - In-mold composite skeleton allows a greater variation of vent shape and size - Micro-manager II: intuitive one-handed system fits a wide range of head sizes… [more]

Bontrager Solstice MIPS
$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… [more]

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… [more]

Bontrager Solstice MIPS Women's Helmet
$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 helmet. MIPS, "Multi-directional Impact Protection System", sets a new standard in helmet safety. Developed by brain surgeons and scientists, MIPS helps reduce rotational… [more]

Bontrager Solstice Women's Bike Helmet
$39.99

Wear it and believe. The Solstice is proof you don't have to spend a lot of money to get a great fitting, easy-to-use cycling helmet designed to keep you protected during all your bike riding adventures. Key features - Intuitive, one-handed Headmaster fit system adjusts height and circumference -… [more]

Bontrager Specter XR
$149.99

Aimed to protect racers and performance enthusiasts, the Specter XR helmet provides maximum comfort and that barely-there feeling. - In-mold composite skeleton allows a greater variation of vent shape and size - Headmaster II: one-handed fit system with premier look and feel - FormFit: flexible… [more]

Bontrager Starvos MIPS
$71.99
$94.99

MIPS sets a new standard in helmet safety. Developed by brain surgeons and scientists to reduce rotational forces on the brain caused by angled impacts to the head. - MIPS-equipped - In-mold composite skeleton allows a greater variation of vent shape and size - Headmaster: one-handed fit system… [more]

Bontrager Starvos MIPS Road Bike Helmet
$94.99

Starvos MIPS road helmet offers protection, airflow management, and comfort with the widest range of head sizes. A clear choice for cyclists of all levels. MIPS (Multi-directional Impact Protection System) sets a new standard in helmet safety. Developed by brain surgeons and scientists, MIPS helps… [more]

Bontrager Starvos MIPS Road Helmet
$99.99

Capable coverage, comfortable protection Starvos MIPS road helmet offers ample protection, airflow management, and comfort with the widest range of head sizes. A clear choice for cyclists of all levels. MIPS (Multi-directional Impact Protection System) was developed by brain surgeons and scientist… [more]

Bontrager Starvos Women's Bike Helmet
$69.99

Capable coverage, comfortable protection Starvos women's road helmet offers protection, airflow management, and comfort with the widest range of head sizes. A clear choice for cyclists of all levels. Key features - In-mold composite skeleton increases helmet integrity for larger vent variations -… [more]

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… [more]

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… [more]

Bern Allston
$79.99

The Allston crushes it with it’s urban cyclist styling, bold colors and prints, plus overall comfort and performance. Utilizing Bern’s Zipmold Technology, this helmet has a tapered, thinner, low-profile fit that is lighter weight with a higher strength-to-weight ratio than in-mold helmets. Designed… [more]

157 Results
Per Page 30 60
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Chain Reaction Bicycles is your local bicycle shop for the San Francisco Bay Area! Unlike some other shops, we are dedicated 100% to serving the needs of local cyclists; our offerings are exclusively available for in-store pickup. You will find us at 1451 El Camino Real, Redwood City CA, 94063. 650 366 7130. Our Los Altos location closed on September 24th, 2017; we have consolidated all operations within our Redwood City flagship store.  Our hours and directions may be found here. We look forward to taking care of all of your cycling needs, including service! Mike & Steve Jacoubowsky, Partners, Chain Reaction Bicycles. Serving you since 1980!