Support
Frequently Asked Questions
Common questions about Principal helmets, sizing, visors, warranty, and support.
Measure around the widest part of your head, just above your eyebrows and ears. Compare your measurement to our sizing chart.
Head shape and personal fit preference can affect sizing. If you are between sizes, contact our support team and we can help guide you.
Helmets marked Limited are produced in a single run and will not be reproduced once sold out.
Each visor product lists compatible helmet models. Only use visors designed specifically for your helmet model.
Yes. All Principal helmets are DOT approved for use in the United States.
Our limited warranty covers defects in materials and workmanship. See the Warranty page for complete details.
Visit our Contact page and we will be happy to help.
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Still have questions?
If you cannot find what you are looking for, contact Principal support and we will help point you in the right direction.