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Trek Solstice Bike Helmet FAQ

Are all Bontrager helmets transitioning to the Trek brand?

Like apparel, the entire helmet category will be rebranded to Trek. The Solstice bike helmet is one of the first helmets to launch under the Trek brand.

How long will the transition take?

To accommodate sell-through of existing Bontrager products, the transition to the Trek brand will take multiple years. Helmets are being rebranded and released in phases. For additional details, please refer to the NPI Marketing Calendar or be on the lookout for updates within the Product Launches channel.

What type of bike helmet technology does Trek Solstice feature?

Trek Solstice bike helmet features an expanded polstyrene ("EPS") liner. EPS is a crushable, energy-absorbing foam used in many bike helmets, this material is designed to help absorb linear energy when the helmet is impacted.

Are the helmet pads replaceable?

Yes, the helmet pads are replaceable. Replacement pads can be ordered on Trekbikes.com.

Are the helmet pads washable?

The helmet pads can be washed by carefully rinsing by hand in lukewarm water and air drying at room temperature.

What type of fit system does Solstice use?

The Solstice features a Headmaster 3 fit system, which allow the rider to easily adjust the fit of the helmet with one hand.

How does the adjustment dial work?

The Solstice features a Headmaster 3 fit system. Turn the dial clockwise to tighten, and counterclockwise to loosen. It's that simple!

What type of strap divider does Solstice use?

Trek Solstice features a LockDown divider that makes helmet strap management clean and easy to adjust.

What type of buckle does Solstice use?

The Solstice uses a standard bike helmet buckle to ensure a secure fit.

Is the helmet visor replaceable?

Yes, the helmet visor is replaceable. Replacement parts can be ordered on Trekbikes.com.

What colors are available?

Trek Solstice adult helmets are available in 3 color options: Black Gloss, Crystal White Gloss, and Radioactive Yellow Gloss.

What sizes are available?

Trek Solstice adult helmets are available in Small/Medium (51-58 cm) and Medium/Large (55-61 cm).

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Which helmet size will fit me best?

To help you find your perfect fit, visit our "How to fit your bike helmet" page by clicking on the link below, reach out to our customer service team, or visit your local shop.

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Helmet size Fit range (cm) 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66
Toddler 46-50 Toddler
Child 48-52 Child
Youth / XS 50-55 Youth / XS
Small 51-57 Small
S/M 51-58 S/M
Medium 54-60 Medium
M/L 55-61 M/L
Large 58-63 Large
X-Large 60-66 X-Large

How much deos the helmet weigh?

The Trek Solstice S/M size helmet weighs 295 grams and the M/L helmet weighs 325 grams.

What is the helmet made of?

The Trek Solstice helmet is made of numerous materials, consisting of a protective foam layer made of EPS and a polycarbonate shell. The remaining materials consist of various types of plastic.

When should I replace my helmet?

Replace an old helmet or a helmet with damage. The helmet is designed to absorb shock by partial destruction of the shell and liner. This damage may not be visible. Therefore, if subjected to a severe blow, the helmet should be destroyed and replaced even if it appears undamaged.The helmet has a limited lifespan in use and should be replaced when it shows obvious signs of wear.

Helmet parts lose strength over time, so even if the helmet has not been impacted or damaged, replace it after three years from date of purchase.

What safety standards does the helmet comply with?

Trek Solstice complies with U.S. CPSC safety standards for bicycle helmets, the EU CE safety standards for bicycle helmets, and the AS/NZS safety standards for Australia and New Zealand.

What is the Crash Replacement Guarantee?

Our Crash Replacement Guarantee provides anyone with a free replacement helmet if they have been involved in a crash within the first year of purchase. Simply request proof of purchase, accident details, and a return address for the replacement helmet.