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kids going on a bike ride

Kids' Bike Sizing Guide

Childhood On Two Wheels

Trek kids' bikes are built to last, ride better, and carry kids to more adventures.

Use the virtual sizing chart below to find the right size bike for your young rider.

For riders who are 35 - 40" tall

For riders who are 39 - 46" tall

For riders who are 45 - 52" tall

For riders who are 51 - 63" tall

Balance Bikes