20-inch bike: who it suits and which models to buyA kids' 20" bike is designed for riders roughly 109–137 cm tall, but folding bikes and adult BMX bikes have wheels this size too. We look at the three types, what to check, and nine models with prices as of 27.10.2026.
Kids' bike: how to choose the right size by age and heightA size chart from 12" to 26" by height and age, based on data from Trek, woom and Merida. The bike weight rule, balance bike or training wheels, which brakes to choose, and eight models with prices…