Bontrager Quantum Mips Bike Helmet

With ample protection, great looks and a secure fit, Quantum is perfect for riders who just want to ride. It features Mips (Multi-directional Impact Protection System) technology and has excellent ventilation, making it ideal for trail and town.

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.

Product details

Mips Brain Protection System
BOA® Fit System lets you easily secure and adjust your helmet fit with one hand
The helmet pads are soft, comfortable, moisture-wicking and washable
Internal, recessed channels move airflow over your head to keep you cool and dry
Removable snap-on visor and port covers provide multiple looks to fit your style
LockDown dividers make helmet strap management clean and easy to adjust
The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
Complies with US CPSC safety standards for bicycle helmets for persons age 5 and over.

Crash Replacement Guarantee

With our Crash Replacement Guarantee, we will provide you with a free replacement helmet if it is involved in a crash within the first year of ownership. Simply contact us or your local retailer with the crashed helmet, original sales receipt, details of the incident and a return address for your replacement.

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"The most impressive mountain bike helmet we've tested" [Issue 6]

"Of all the bike helmets I've worn over the years, the Bontrager Quantum Mips with BOA is the most comfortable I've worn"

Want to do more than wear a helmet? Check out this guide to riding safer.

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To ensure that your bike helmet looks and performs its best, it's important to properly clean and care for it. Check out our simple guide to learn how to maintain your bike helmet. It's easy to do and takes little time!

Created through years of research, Mips is designed to accentuate the brain’s own ability to protect itself and can provide better protection from angled impacts.

Not sure which helmet is right for you? Check out our helmet-buyer's guide to learn everything you need to know about bike helmets.

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If for any reason you’re not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.

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For your helmet to do its job, it's important that it's sized properly and fits well. Reference our sizing guide at the link below to find your ideal size and see how Bontrager helmets are intended to fit.

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Size	S	M	L	XL
Circumference	51-57 cm	54-60 cm	58-63 cm	60-66 cm
Fit system	BOA®	BOA®	BOA®	BOA®
Pad material	Moisture wicking pads	Moisture wicking pads	Moisture wicking pads	Moisture wicking pads
Buckle type	Standard buckle	Standard buckle	Standard buckle	Standard buckle
Includes	Crash Replacement Guarantee, visor plugs	Crash Replacement Guarantee, visor plugs	Crash Replacement Guarantee, visor plugs	Crash Replacement Guarantee, visor plugs
Weight	335g	365g	410g	425g

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.

Weights are based off pre-production products at time of publication. Weights may vary in final production.

size-table
Size	Circumference
S	51 - 57 cm 20" - 22"
M	54 - 60 cm 21" - 24"
L	58 - 63 cm 23" - 25"
XL	60 - 66 cm 24" - 26"