How to Measure a Child’s Inseam for a Bike
Measure your child's inseam with a book and tape, match it to wheel-size brackets, then confirm with the AAP's two fit checks before you buy.
Topic
Bikes for children, balance bikes, family rides, sizing by age and teaching kids to ride safely
Measure your child's inseam with a book and tape, match it to wheel-size brackets, then confirm with the AAP's two fit checks before you buy.
Austria requires helmets for children under 12 on any bicycle and, since 1 May 2026, under 14 on e-bikes. What counts as an e-bike, and who is responsible.
New York requires helmets for children under 14, a helmet plus child seat for ages 1 to 4, and helmets on Class 3 e-bikes at any age. Fines are up to $50.
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