Kids Bike Sizing: Age, Height, and Wheel Diameter Guide

Created by Rachel Lane, Modified on Sun, 28 Sep at 5:59 AM by Rachel Lane

Choosing the right bike size for your child is key to ensuring safety, comfort, and confidence. This guide helps you match your child’s age and height with the ideal wheel size.


How to Measure for the Perfect Fit

  • Measure Your Child’s Height

Have them stand straight against a wall (barefoot).

Mark the top of their head and measure from the floor.

  • Match to Wheel Size

Refer to the chart below based on age and height.

Tip: If between sizes, prioritize height over age for better fit.


Kids Bike Size Chart

Wheel Size

Rider Age

Rider Height

Avg. Bike Weight

12"

1 ~ 4 years

28" ~ 38" (71 ~ 96 cm)

20.3 lbs (9.2 kg)

14"

3 ~ 5 years

35" ~ 42" (89 ~ 107 cm)

21.8 lbs (9.9 kg)

16"

4 ~ 7 years

38" ~ 48" (96 ~ 122 cm)

22.5 lbs (10.2 kg)

20"

7 ~ 13 years

48" ~ 60" (122 ~ 152 cm)

26.5 lbs (12 kg)

Note: Final size selection is entirely based on the customer's own judgment or test ride experience. We cannot guarantee that the purchased size will perfectly fit everyone. We recommend visiting a local bike shop for an in-person fitting and test ride to confirm the accurate size.


Key Fitting Tips

  • Standover Height: Your child should comfortably straddle the bike with 1–2 inches of clearance.
  • Handlebar Reach: Arms should bend slightly when holding the grips.
  • Test Ride: Ensure they can brake and pedal smoothly.


Safety Reminders

  • Always pair the bike with a properly fitted helmet.
  • Adjust seat height as your child grows.





  Need Help?  

If you have any questions or need assistance, feel free to contact us at support@glercbikes.comWe’ll get back to you as soon as possible.


Thank you for choosing Glerc!
We are committed to continually improving our product quality and customer satisfaction. Appreciate your trust and support!







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