If you have a helmet yes
All Bicycle riders under 18 are required to wear a helmet
Under 21 for a motorcycle and under 16 for a bicycle.
Anyone under the age of 18 must wear a helmet when riding a bicycle.
From the California Bicycle Helmet Statute West's Annotated California Codes; Vehicle Codes; Division 11. Rules of the road; Chapter 1. Obeidience to and effect of traffic laws; Article 4. Operation of bicycles:(a) A person under 18 years of age shall not operate a bicycle, or ride upon a bicycle as a passenger, upon a street, bikeway, as defined in Section 890.4 of the Streets and Highways Code, or any other public bicycle path or trail unless that person is wearing a properly fitted and fastened bicycle helmet that meets the standards of the American National Standards Institute (ANSI Z 90.4 bicycle helmet standard), the Snell Memorial Foundation's Standard for Protective Headgear for Use in Bicycling, or the American Society for Testing Materials (ASTM F-1447 standard). This requirement also applies to a person who rides upon a bicycle while in a restraining seat that is attached to the bicycle or in a trailer towed by the bicycle.
It as implemented in 1999 that any person under the age of 16 must where a helmet hile bicycling in the state of Maine.
It is illegal to wear them in high school for safety reasons.
Possibly because she's famous?
To properly fit a bicycle helmet for maximum safety and protection, follow these steps: Position the helmet on your head so it sits level and covers your forehead. Adjust the straps so they form a V-shape under your ears and are snug but not too tight. Buckle the chin strap securely and make sure it is centered under your chin. Check that the helmet does not move when you shake your head. Make sure there is no more than two fingers' width between your eyebrows and the helmet. Test the fit by pushing the helmet from side to side and front to back - it should not move. By following these steps, you can ensure your bicycle helmet fits properly and provides the maximum safety and protection while riding.
Wearing a hood under a helmet while riding a bike can compromise safety. The extra fabric may interfere with the helmet's fit and stability, reducing its effectiveness in protecting your head during a fall. Additionally, a hood can obstruct peripheral vision and increase the risk of accidents. It's best to use a helmet that fits properly without any additional layers underneath.
Wearing a cycling cap under a helmet can provide benefits such as moisture-wicking to keep sweat out of your eyes, sun protection for your head and eyes, and added warmth in cooler weather. Additionally, the brim of the cap can help shield your eyes from sun glare and rain.
To ensure the proper fit of a bicycle helmet, follow these steps: Measure your head circumference to determine the correct helmet size. Position the helmet on your head so it sits level and covers your forehead. Adjust the straps so they form a V-shape under your ears and are snug but not too tight. Make sure the helmet does not move when you shake your head. Check for any gaps between the helmet and your head. Test the fit by moving your head in all directions to ensure the helmet stays in place.